{"title":"2-Stroke Piston Kits","description":"\u003cp\u003eShop Vertex 2-Stroke Piston Kits – complete replacement kits for motocross and enduro bikes. Ensure maximum performance, durability, and reliability with high-quality components.\u003c\/p\u003e","products":[{"product_id":"vertex-piston-kit-mx-honda","title":"Vertex 2 Stroke Piston Kit - Honda 85cc","description":"\u003cp\u003e\u003cstrong\u003eVertex 2 Stroke Piston Kit - Honda 85cc \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Manufactured in Italy, Vertex, the premier brand of OEM replacement pistons, is the OEM supplier to KTM and numerous European motorcycle and go-kart manufacturers. Vertex offers enthusiasts state-of-the-art, high-quality pistons for nearly any powersport use from motorcycles and ATVs to marine and karting. Manufactured to the highest standards in Japan, Vertex’s piston rings are produced by the OEM suppliers so that they are direct OEM replacements. Vertex is the choice of those who truly seek the optimum in powersport performance in any application. \u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eWhy is Vertex Cast pistons better than forged? \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Because of a cast piston’s ability to contain higher silicon content compared to forged pistons, and because twostrokes have lower cylinder pressures when compared to four-strokes, cast pistons are ideal for two-stroke engines. Vertex pistons are gravity cast from an aluminum alloy with 18% silicon content. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is Silicon important?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e: • It decreases thermal expansion, which changes the geometry after the piston reaches operating temperature. With low thermal expansion characteristics, Vertex pistons can be run at tighter tolerances compared with forged pistons. This creates better power and performance, also making them less susceptible to rattling or breaking. \u003cbr\u003e\u003cbr\u003e• Silicon gives the pistons better wear characteristics and prolongs piston life by decreasing wear on the piston skirt. Aiding in the break-in process and reducing wear, every Vertex piston has a Molybdenum Disulphide (MOS2) coating on the piston skirt.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVertex Piston Kit features:\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e• Standard pistons and components are OEM replacements.\u003cbr\u003e• Kits include piston, rings, wrist pin and circlips.\u003cbr\u003e• All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle.\u003cbr\u003e• Replacement rings are sold individually.\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"CR80 86-02 45.94mm A","offer_id":40834243002479,"sku":"22446A","price":69.99,"currency_code":"GBP","in_stock":false},{"title":"CR80 86-02 45.95mm B","offer_id":40834243035247,"sku":"22446B","price":69.99,"currency_code":"GBP","in_stock":true},{"title":"CR80 86-02 45.96mm C","offer_id":40834243068015,"sku":"22446C","price":69.99,"currency_code":"GBP","in_stock":false},{"title":"CR85 03-07 47.44mm A","offer_id":40834243100783,"sku":"22863A","price":69.99,"currency_code":"GBP","in_stock":true},{"title":"CR85 03-07 47.45mm B","offer_id":40834243133551,"sku":"22863B","price":69.99,"currency_code":"GBP","in_stock":true},{"title":"CR85 03-07 47.46mm C","offer_id":40834243166319,"sku":"22863C","price":69.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1177\/5142\/products\/ver_12_pis_kit_sta-min_d374aad2-2d6d-4c0f-bdc3-fe8c7f10f975.jpeg?v=1462429054"},{"product_id":"vertex-piston-kit-honda-125cc","title":"Vertex 2 Stroke Piston Kit - Honda 250cc","description":"\u003cp\u003e\u003cstrong\u003eVertex 2 Stroke Piston Kit - Honda 250cc \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Manufactured in Italy, Vertex, the premier brand of OEM replacement pistons, is the OEM supplier to KTM and numerous European motorcycle and go-kart manufacturers. Vertex offers enthusiasts state-of-the-art, high-quality pistons for nearly any powersport use from motorcycles and ATVs to marine and karting. Manufactured to the highest standards in Japan, Vertex’s piston rings are produced by the OEM suppliers so that they are direct OEM replacements. Vertex is the choice of those who truly seek the optimum in powersport performance in any application. \u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eWhy is Vertex Cast pistons better than forged? \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Because of a cast piston’s ability to contain higher silicon content compared to forged pistons, and because twostrokes have lower cylinder pressures when compared to four-strokes, cast pistons are ideal for two-stroke engines. Vertex pistons are gravity cast from an aluminum alloy with 18% silicon content. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is Silicon important?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• It decreases thermal expansion, which changes the geometry after the piston reaches operating temperature. With low thermal expansion characteristics, Vertex pistons can be run at tighter tolerances compared with forged pistons. This creates better power and performance, also making them less susceptible to rattling or breaking. \u003cbr\u003e\u003cbr\u003e• Silicon gives the pistons better wear characteristics and prolongs piston life by decreasing wear on the piston skirt. Aiding in the break-in process and reducing wear, every Vertex piston has a Molybdenum Disulphide (MOS2) coating on the piston skirt.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVertex Piston Kit features:\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e• Standard pistons and components are OEM replacements.\u003cbr\u003e• Kits include piston, rings, wrist pin and circlips.\u003cbr\u003e• All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle.\u003cbr\u003e• Replacement rings are sold individually.\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"CR250 1986-94 66.34mm A","offer_id":40834249785455,"sku":"22153A","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"CR250 1986-94 66.35mm B","offer_id":40834249818223,"sku":"22153B","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"CR250 1986-94 66.36mm C","offer_id":40834249850991,"sku":"22153C","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"CR250 1995-96 66.34mm A","offer_id":40834249883759,"sku":"22387A","price":129.99,"currency_code":"GBP","in_stock":false},{"title":"CR250 1995-96 66.35mm B","offer_id":40834249916527,"sku":"22387B","price":129.99,"currency_code":"GBP","in_stock":false},{"title":"CR250 1995-96 66.36mm C","offer_id":40834249949295,"sku":"22387C","price":129.99,"currency_code":"GBP","in_stock":false},{"title":"CR250 1997-01 66.34mm A","offer_id":40834249982063,"sku":"22581A","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"CR250 1997-01 66.35mm B","offer_id":40834250014831,"sku":"22581B","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"CR250 1997-01 66.36mm C","offer_id":40834250047599,"sku":"22581C","price":129.99,"currency_code":"GBP","in_stock":false},{"title":"CR250 2002-04 66.34mm A","offer_id":40834250080367,"sku":"22809A","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"CR250 2002-04 66.35mm B","offer_id":40834250113135,"sku":"22809B","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"CR250 2002-04 66.36mm C","offer_id":40834250145903,"sku":"22809C","price":129.99,"currency_code":"GBP","in_stock":false},{"title":"CR250 2005-07 66.34mm A","offer_id":40834250178671,"sku":"23133A","price":129.99,"currency_code":"GBP","in_stock":false},{"title":"CR250 2005-07 66.35mm B","offer_id":40834250211439,"sku":"23133B","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"CR250 2005-07 66.36mm C","offer_id":40834250244207,"sku":"23133C","price":129.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1177\/5142\/products\/ver_12_pis_kit_sta-min_d374aad2-2d6d-4c0f-bdc3-fe8c7f10f975.jpg?v=1653509864"},{"product_id":"vertex-2-stroke-piston-kit-honda-125cc","title":"Vertex 2 Stroke Piston Kit - Honda 125cc","description":"\u003cp\u003e\u003cstrong\u003eVertex 2 Stroke Piston Kit - Honda 125cc \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Manufactured in Italy, Vertex, the premier brand of OEM replacement pistons, is the OEM supplier to KTM and numerous European motorcycle and go-kart manufacturers. Vertex offers enthusiasts state-of-the-art, high-quality pistons for nearly any powersport use from motorcycles and ATVs to marine and karting. Manufactured to the highest standards in Japan, Vertex’s piston rings are produced by the OEM suppliers so that they are direct OEM replacements. Vertex is the choice of those who truly seek the optimum in powersport performance in any application. \u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eWhy is Vertex Cast pistons better than forged? \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Because of a cast piston’s ability to contain higher silicon content compared to forged pistons, and because twostrokes have lower cylinder pressures when compared to four-strokes, cast pistons are ideal for two-stroke engines. Vertex pistons are gravity cast from an aluminum alloy with 18% silicon content. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is Silicon important?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• It decreases thermal expansion, which changes the geometry after the piston reaches operating temperature. With low thermal expansion characteristics, Vertex pistons can be run at tighter tolerances compared with forged pistons. This creates better power and performance, also making them less susceptible to rattling or breaking. \u003cbr\u003e\u003cbr\u003e• Silicon gives the pistons better wear characteristics and prolongs piston life by decreasing wear on the piston skirt. Aiding in the break-in process and reducing wear, every Vertex piston has a Molybdenum Disulphide (MOS2) coating on the piston skirt.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVertex Piston Kit features:\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e• Standard pistons and components are OEM replacements.\u003cbr\u003e• Kits include piston, rings, wrist pin and circlips.\u003cbr\u003e• All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle.\u003cbr\u003e• Replacement rings are sold individually.\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"CR125 1990-91 53.93mm A","offer_id":40834253914223,"sku":"22151A","price":109.99,"currency_code":"GBP","in_stock":true},{"title":"CR125 1990-91 53.94mm B","offer_id":40834253946991,"sku":"22151B","price":109.99,"currency_code":"GBP","in_stock":false},{"title":"CR125 1990-91 53.95mm C","offer_id":40834253979759,"sku":"22151C","price":109.99,"currency_code":"GBP","in_stock":false},{"title":"CR125 1992-99 53.93mm A","offer_id":40834254012527,"sku":"22189A","price":109.99,"currency_code":"GBP","in_stock":true},{"title":"CR125 1992-99 53.94mm B","offer_id":40834254045295,"sku":"22189B","price":109.99,"currency_code":"GBP","in_stock":true},{"title":"CR125 1992-99 53.95mm C","offer_id":40834254078063,"sku":"22189C","price":109.99,"currency_code":"GBP","in_stock":true},{"title":"CR125 2000-03 53.92mm A","offer_id":40834254110831,"sku":"22685A","price":109.99,"currency_code":"GBP","in_stock":false},{"title":"CR125 2000-03 53.93mm B","offer_id":40834254143599,"sku":"22685B","price":109.99,"currency_code":"GBP","in_stock":true},{"title":"CR125 2000-03 53.94mm C","offer_id":40834254176367,"sku":"22685C","price":109.99,"currency_code":"GBP","in_stock":true},{"title":"CR125 2004 53.92mm A","offer_id":40834254209135,"sku":"22995A","price":109.99,"currency_code":"GBP","in_stock":false},{"title":"CR125 2004 53.93mm B","offer_id":40834254241903,"sku":"22995B","price":109.99,"currency_code":"GBP","in_stock":true},{"title":"CR125 2004 53.94mm C","offer_id":40834254274671,"sku":"22995C","price":109.99,"currency_code":"GBP","in_stock":false},{"title":"CR125 05-07 53.92mm A","offer_id":40834254307439,"sku":"23140A","price":109.99,"currency_code":"GBP","in_stock":true},{"title":"CR125 05-07 53.93mm B","offer_id":40834254340207,"sku":"23140B","price":109.99,"currency_code":"GBP","in_stock":true},{"title":"CR125 05-07 53.94mm C","offer_id":40834254372975,"sku":"23140C","price":109.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1177\/5142\/products\/ver_12_pis_kit_sta-min_3fb78294-257a-464c-9df9-82b12cb86a2f.jpg?v=1653510799"},{"product_id":"vertex-2-stroke-piston-kit-kawasaki-65cc","title":"Vertex 2 Stroke Piston Kit - Kawasaki 65cc","description":"\u003cp\u003e\u003cstrong\u003eVertex 2 Stroke Piston Kit - Kawasaki 65cc \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Manufactured in Italy, Vertex, the premier brand of OEM replacement pistons, is the OEM supplier to KTM and numerous European motorcycle and go-kart manufacturers. Vertex offers enthusiasts state-of-the-art, high-quality pistons for nearly any powersport use from motorcycles and ATVs to marine and karting. Manufactured to the highest standards in Japan, Vertex’s piston rings are produced by the OEM suppliers so that they are direct OEM replacements. Vertex is the choice of those who truly seek the optimum in powersport performance in any application. \u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eWhy is Vertex Cast pistons better than forged? \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Because of a cast piston’s ability to contain higher silicon content compared to forged pistons, and because twostrokes have lower cylinder pressures when compared to four-strokes, cast pistons are ideal for two-stroke engines. Vertex pistons are gravity cast from an aluminum alloy with 18% silicon content. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is Silicon important?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• It decreases thermal expansion, which changes the geometry after the piston reaches operating temperature. With low thermal expansion characteristics, Vertex pistons can be run at tighter tolerances compared with forged pistons. This creates better power and performance, also making them less susceptible to rattling or breaking. \u003cbr\u003e\u003cbr\u003e• Silicon gives the pistons better wear characteristics and prolongs piston life by decreasing wear on the piston skirt. Aiding in the break-in process and reducing wear, every Vertex piston has a Molybdenum Disulphide (MOS2) coating on the piston skirt.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVertex Piston Kit features:\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e• Standard pistons and components are OEM replacements.\u003cbr\u003e• Kits include piston, rings, wrist pin and circlips.\u003cbr\u003e• All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle.\u003cbr\u003e• Replacement rings are sold individually.\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"KX65 00-22 44.44mm A","offer_id":40834276098159,"sku":"22860A","price":59.99,"currency_code":"GBP","in_stock":true},{"title":"KX65 00-22 44.45mm B","offer_id":40834276130927,"sku":"22860B","price":59.99,"currency_code":"GBP","in_stock":true},{"title":"KX65 00-22 44.46mm C","offer_id":40834276163695,"sku":"22860C","price":59.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1177\/5142\/products\/ver_12_pis_kit_sta-min_70a3c960-22a3-4ad2-93c8-eba74d6b9419.jpg?v=1653513147"},{"product_id":"vertex-2-stroke-piston-kit-kawasaki-85cc","title":"Vertex 2 Stroke Piston Kit - Kawasaki 85cc","description":"\u003cp\u003e\u003cstrong\u003eVertex 2 Stroke Piston Kit - Kawasaki 85cc \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Manufactured in Italy, Vertex, the premier brand of OEM replacement pistons, is the OEM supplier to KTM and numerous European motorcycle and go-kart manufacturers. Vertex offers enthusiasts state-of-the-art, high-quality pistons for nearly any powersport use from motorcycles and ATVs to marine and karting. Manufactured to the highest standards in Japan, Vertex’s piston rings are produced by the OEM suppliers so that they are direct OEM replacements. Vertex is the choice of those who truly seek the optimum in powersport performance in any application. \u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eWhy is Vertex Cast pistons better than forged? \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Because of a cast piston’s ability to contain higher silicon content compared to forged pistons, and because twostrokes have lower cylinder pressures when compared to four-strokes, cast pistons are ideal for two-stroke engines. Vertex pistons are gravity cast from an aluminum alloy with 18% silicon content. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is Silicon important?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• It decreases thermal expansion, which changes the geometry after the piston reaches operating temperature. With low thermal expansion characteristics, Vertex pistons can be run at tighter tolerances compared with forged pistons. This creates better power and performance, also making them less susceptible to rattling or breaking. \u003cbr\u003e\u003cbr\u003e• Silicon gives the pistons better wear characteristics and prolongs piston life by decreasing wear on the piston skirt. Aiding in the break-in process and reducing wear, every Vertex piston has a Molybdenum Disulphide (MOS2) coating on the piston skirt.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVertex Piston Kit features:\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e• Standard pistons and components are OEM replacements.\u003cbr\u003e• Kits include piston, rings, wrist pin and circlips.\u003cbr\u003e• All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle.\u003cbr\u003e• Replacement rings are sold individually.\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"KX80 92-99 46.93mm A","offer_id":40834276524143,"sku":"22445A","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"KX80 92-99 46.94mm B","offer_id":40834276556911,"sku":"22445B","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"KX80 92-99 46.95mm C","offer_id":40834276589679,"sku":"22445C","price":74.99,"currency_code":"GBP","in_stock":false},{"title":"KX85 01-13 48.44mm A","offer_id":40834276622447,"sku":"22803A","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"KX85 01-13 48.45mm B","offer_id":40834276655215,"sku":"22803B","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"KX85 01-13 48.46mm C","offer_id":40834276687983,"sku":"22803C","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"KX100 98-20 52.45mm A","offer_id":40834280030319,"sku":"23621A","price":74.99,"currency_code":"GBP","in_stock":false},{"title":"KX100 98-20 52.46mm B","offer_id":40834280063087,"sku":"23621B","price":74.99,"currency_code":"GBP","in_stock":false},{"title":"KX100 98-20 52.47mm C","offer_id":40834280095855,"sku":"23621C","price":74.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1177\/5142\/products\/ver_12_pis_kit_sta-min_35c0f649-d1cf-4a85-84c2-ea09620b4252.jpg?v=1653513319"},{"product_id":"vertex-2-stroke-piston-kit-kawasaki-125cc","title":"Vertex 2 Stroke Piston Kit - Kawasaki 125cc","description":"\u003cp\u003e\u003cstrong\u003eVertex 2 Stroke Piston Kit - Kawasaki 125cc \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Manufactured in Italy, Vertex, the premier brand of OEM replacement pistons, is the OEM supplier to KTM and numerous European motorcycle and go-kart manufacturers. Vertex offers enthusiasts state-of-the-art, high-quality pistons for nearly any powersport use from motorcycles and ATVs to marine and karting. Manufactured to the highest standards in Japan, Vertex’s piston rings are produced by the OEM suppliers so that they are direct OEM replacements. Vertex is the choice of those who truly seek the optimum in powersport performance in any application. \u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eWhy is Vertex Cast pistons better than forged? \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Because of a cast piston’s ability to contain higher silicon content compared to forged pistons, and because twostrokes have lower cylinder pressures when compared to four-strokes, cast pistons are ideal for two-stroke engines. 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Aiding in the break-in process and reducing wear, every Vertex piston has a Molybdenum Disulphide (MOS2) coating on the piston skirt.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVertex Piston Kit features:\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e• Standard pistons and components are OEM replacements.\u003cbr\u003e• Kits include piston, rings, wrist pin and circlips.\u003cbr\u003e• All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle.\u003cbr\u003e• Replacement rings are sold individually.\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"MC85 21-Current 46.94mm A","offer_id":40835066069103,"sku":"24212A","price":79.99,"currency_code":"GBP","in_stock":true},{"title":"MC85 21-Current 46.95mm B","offer_id":40835066101871,"sku":"24212B","price":79.99,"currency_code":"GBP","in_stock":true},{"title":"MC85 21-Current 46.96mm C","offer_id":40835066134639,"sku":"24212C","price":79.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1177\/5142\/products\/ver_12_pis_kit_sta-min_718769e0-ea8a-4728-ba52-177bf101bce5.jpg?v=1653581797"},{"product_id":"vertex-2-stroke-piston-kit-gasgas-125cc","title":"Vertex 2 Stroke Piston Kit - GasGas 125cc","description":"\u003cp\u003e\u003cstrong\u003eVertex 2 Stroke Piston Kit - GasGas 125cc \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Manufactured in Italy, Vertex, the premier brand of OEM replacement pistons, is the OEM supplier to KTM and numerous European motorcycle and go-kart manufacturers. Vertex offers enthusiasts state-of-the-art, high-quality pistons for nearly any powersport use from motorcycles and ATVs to marine and karting. Manufactured to the highest standards in Japan, Vertex’s piston rings are produced by the OEM suppliers so that they are direct OEM replacements. Vertex is the choice of those who truly seek the optimum in powersport performance in any application. \u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eWhy is Vertex Cast pistons better than forged? \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Because of a cast piston’s ability to contain higher silicon content compared to forged pistons, and because twostrokes have lower cylinder pressures when compared to four-strokes, cast pistons are ideal for two-stroke engines. Vertex pistons are gravity cast from an aluminum alloy with 18% silicon content. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is Silicon important?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• It decreases thermal expansion, which changes the geometry after the piston reaches operating temperature. With low thermal expansion characteristics, Vertex pistons can be run at tighter tolerances compared with forged pistons. This creates better power and performance, also making them less susceptible to rattling or breaking. \u003cbr\u003e\u003cbr\u003e• Silicon gives the pistons better wear characteristics and prolongs piston life by decreasing wear on the piston skirt. Aiding in the break-in process and reducing wear, every Vertex piston has a Molybdenum Disulphide (MOS2) coating on the piston skirt.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVertex Piston Kit features:\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e• Standard pistons and components are OEM replacements.\u003cbr\u003e• Kits include piston, rings, wrist pin and circlips.\u003cbr\u003e• All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle.\u003cbr\u003e• Replacement rings are sold individually.\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"MC125 21-Current 53.94mm A","offer_id":40835071410287,"sku":"23928A","price":109.99,"currency_code":"GBP","in_stock":true},{"title":"MC125 21-Current 53.95mm B","offer_id":40835071443055,"sku":"23928B","price":109.99,"currency_code":"GBP","in_stock":true},{"title":"MC125 21-Current 53.96mm C","offer_id":40835071475823,"sku":"23928C","price":109.99,"currency_code":"GBP","in_stock":true},{"title":"TXT\/PRO 125 02-21 (2 RING) 53.95mm A","offer_id":40835566076015,"sku":"22766A","price":109.99,"currency_code":"GBP","in_stock":true},{"title":"TXT\/PRO 125 02-21 (2 RING) 53.96mm B","offer_id":40835566108783,"sku":"22766B","price":109.99,"currency_code":"GBP","in_stock":false},{"title":"TXT\/PRO 125 02-21 (2 RING) 53.97mm C","offer_id":40835566141551,"sku":"22766C","price":109.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1177\/5142\/products\/ver_12_pis_kit_sta-min_6ada5d3a-c4d1-408a-92da-6ca27acee25a.jpg?v=1653581930"},{"product_id":"vertex-2-stroke-piston-kit-gasgas-250cc","title":"Vertex 2 Stroke Piston Kit - GasGas 250cc","description":"\u003cp\u003e\u003cstrong\u003eVertex 2 Stroke Piston Kit - GasGas 250cc \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Manufactured in Italy, Vertex, the premier brand of OEM replacement pistons, is the OEM supplier to KTM and numerous European motorcycle and go-kart manufacturers. Vertex offers enthusiasts state-of-the-art, high-quality pistons for nearly any powersport use from motorcycles and ATVs to marine and karting. Manufactured to the highest standards in Japan, Vertex’s piston rings are produced by the OEM suppliers so that they are direct OEM replacements. Vertex is the choice of those who truly seek the optimum in powersport performance in any application. \u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eWhy is Vertex Cast pistons better than forged? \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Because of a cast piston’s ability to contain higher silicon content compared to forged pistons, and because twostrokes have lower cylinder pressures when compared to four-strokes, cast pistons are ideal for two-stroke engines. Vertex pistons are gravity cast from an aluminum alloy with 18% silicon content. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is Silicon important?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• It decreases thermal expansion, which changes the geometry after the piston reaches operating temperature. With low thermal expansion characteristics, Vertex pistons can be run at tighter tolerances compared with forged pistons. This creates better power and performance, also making them less susceptible to rattling or breaking. \u003cbr\u003e\u003cbr\u003e• Silicon gives the pistons better wear characteristics and prolongs piston life by decreasing wear on the piston skirt. Aiding in the break-in process and reducing wear, every Vertex piston has a Molybdenum Disulphide (MOS2) coating on the piston skirt.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVertex Piston Kit features:\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e• Standard pistons and components are OEM replacements.\u003cbr\u003e• Kits include piston, rings, wrist pin and circlips.\u003cbr\u003e• All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle.\u003cbr\u003e• Replacement rings are sold individually.\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"MC250 21-Current 66.34mm A","offer_id":40835076882543,"sku":"23630A","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"MC250 21-Current 66.35mm B","offer_id":40835076915311,"sku":"23630B","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"MC250 21-Current 66.36mm C","offer_id":40835076948079,"sku":"23630C","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"EC250 21-Current 66.34mm A","offer_id":40835077177455,"sku":"23630A","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"EC250 21-Current 66.35mm B","offer_id":40835077210223,"sku":"23630B","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"EC250 21-Current 66.36mm C","offer_id":40835077242991,"sku":"23630C","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"EC250 02-20 66.33mm A","offer_id":40835098312815,"sku":"23249A","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"EC250 02-20 66.34mm B","offer_id":40835098345583,"sku":"23249B","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"EC250 02-20 66.35mm C","offer_id":40835098378351,"sku":"23249C","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"EC250 02-20 66.36mm D","offer_id":40835098411119,"sku":"23249D","price":129.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1177\/5142\/products\/ver_12_pis_kit_sta-min_1d3772de-3153-462d-877f-2fd42a6b7bfc.jpg?v=1653582064"},{"product_id":"vertex-2-stroke-piston-kit-gasgas-300cc","title":"Vertex 2 Stroke Piston Kit - GasGas 300cc","description":"\u003cp\u003e\u003cstrong\u003eVertex 2 Stroke Piston Kit - GasGas 300cc \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Manufactured in Italy, Vertex, the premier brand of OEM replacement pistons, is the OEM supplier to KTM and numerous European motorcycle and go-kart manufacturers. Vertex offers enthusiasts state-of-the-art, high-quality pistons for nearly any powersport use from motorcycles and ATVs to marine and karting. Manufactured to the highest standards in Japan, Vertex’s piston rings are produced by the OEM suppliers so that they are direct OEM replacements. Vertex is the choice of those who truly seek the optimum in powersport performance in any application. \u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eWhy is Vertex Cast pistons better than forged? \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Because of a cast piston’s ability to contain higher silicon content compared to forged pistons, and because twostrokes have lower cylinder pressures when compared to four-strokes, cast pistons are ideal for two-stroke engines. Vertex pistons are gravity cast from an aluminum alloy with 18% silicon content. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is Silicon important?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• It decreases thermal expansion, which changes the geometry after the piston reaches operating temperature. With low thermal expansion characteristics, Vertex pistons can be run at tighter tolerances compared with forged pistons. This creates better power and performance, also making them less susceptible to rattling or breaking. \u003cbr\u003e\u003cbr\u003e• Silicon gives the pistons better wear characteristics and prolongs piston life by decreasing wear on the piston skirt. Aiding in the break-in process and reducing wear, every Vertex piston has a Molybdenum Disulphide (MOS2) coating on the piston skirt.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVertex Piston Kit features:\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e• Standard pistons and components are OEM replacements.\u003cbr\u003e• Kits include piston, rings, wrist pin and circlips.\u003cbr\u003e• All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle.\u003cbr\u003e• Replacement rings are sold individually.\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"EC300 TPI 21-22 71.925mm A","offer_id":40835091169391,"sku":"24244A","price":149.99,"currency_code":"GBP","in_stock":true},{"title":"EC300 TPI 21-22 71.935mm B","offer_id":40835091202159,"sku":"24244B","price":149.99,"currency_code":"GBP","in_stock":true},{"title":"EC300 TPI 21-22 71.945mm C","offer_id":40835091234927,"sku":"24244C","price":149.99,"currency_code":"GBP","in_stock":true},{"title":"EC300 02-20 71.94mm A","offer_id":40835106865263,"sku":"23761B","price":149.99,"currency_code":"GBP","in_stock":true},{"title":"EC300 02-20 71.95mm B","offer_id":40835106898031,"sku":"23761C","price":149.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1177\/5142\/products\/ver_12_pis_kit_sta-min_ed4678dd-5e7b-4763-a28c-714df2bcbfd7.jpg?v=1653582608"},{"product_id":"vertex-2-stroke-piston-kit-beta-250cc","title":"Vertex 2 Stroke Piston Kit - Beta 250cc","description":"\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVertex 2 Stroke Piston Kit for Beta 250cc - Vertex Piston Kits\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eManufactured in Italy, Vertex, the premier brand of OEM replacement pistons, is the OEM supplier to KTM and numerous European motorcycle and go-kart manufacturers. Vertex offers enthusiasts state-of-the-art, high-quality pistons for nearly any powersport use, from motorcycles and ATVs to marine and karting. Manufactured to the highest standards in Japan, Vertex’s piston rings are produced by the OEM suppliers so that they are direct OEM replacements. Vertex is the choice of those who truly seek the optimum in powersport performance in any application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eWhat size piston do I need?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eIf you are just replacing the piston, then you need to first know the bore of the cylinder. This can be done by using a bore gauge to find the diameter or by reading the owner’s manual to find the bore specifications. Ultimately, the bore should be measured for the best possible results. After the diameter is known, then you can pick which size piston will work best in your cylinder. Remember to maintain about a 0.05mm (0.002”) piston to cylinder clearance, depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eVertex offers A, B, C, D, sizes so that the customer can properly fit each piston to the cylinder. The difference in the sizes is 0.01mm (0.0004\") increments, with A being the smallest and D the biggest. When a cylinder wears, the customer can choose the next larger piston size to regain the proper factory fitment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eWhy are Vertex Cast pistons better than forged? \u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eBecause of a cast piston’s ability to contain higher silicon content compared to forged pistons, and because two-stroke engines have lower cylinder pressures when compared to four-stroke engines, cast pistons are ideal for two-stroke engines. Vertex pistons are gravity cast from an aluminium alloy with 18% silicon content.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eWhy is Silicon important?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eIt decreases thermal expansion, which changes the geometry after the piston reaches operating temperature. With low thermal expansion characteristics, Vertex pistons can be run at tighter tolerances compared with forged pistons. This creates better power and performance, also making them less susceptible to rattling or breaking.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eSilicon gives the pistons better wear characteristics and prolongs piston life by decreasing wear on the piston skirt. Aiding in the break-in process and reducing wear, every Vertex piston has a Molybdenum Disulphide (MOS2) coating on the piston skirt.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVertex Piston Kit\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003e features:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003ePrecision Fit: Available in exact A, B, or C sizes to match your cylinder bore perfectly, maximising power and performance while minimising blow-by and oil consumption\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003e2-Stroke Pistons: Contain 18% silicon to reduce wear and thermal expansion, enabling tighter running tolerances for increased power, reduced noise, and longer lifespan\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eAdvanced Skirt Coating: High-tech Molybdenum Disulphide (MOS2) coating reduces wear and improves break-in performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eComprehensive Kit: Each kit includes a piston, rings, wrist pin, and circlips\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eStandard OEM replacement kits are plug-and-play, including piston, rings, wrist pin, and circlips. They are designed for direct compatibility\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003eReplacement rings are sold individually\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(179, 179, 179);\"\u003ePlease note: that the image in this listing is just an example image.  The piston you receive will be the exact shape and size for the OEM replacement required for your bike.\u003c\/span\u003e\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"BETA RR 250 13-17 | Size A - 66.35mm","offer_id":40835111092335,"sku":"160410A","price":139.99,"currency_code":"GBP","in_stock":true},{"title":"BETA RR 250 13-17 | Size B - 66.36mm","offer_id":40835111125103,"sku":"160410B","price":139.99,"currency_code":"GBP","in_stock":true},{"title":"BETA RR 250 18-Current | Size A - 66.35mm","offer_id":40835111157871,"sku":"160090A","price":134.99,"currency_code":"GBP","in_stock":true},{"title":"BETA RR 250 18-Current | Size B - 66.36mm","offer_id":40835111190639,"sku":"160090B","price":134.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1177\/5142\/files\/Vertex-2-Stroke-PistonKit-1.jpg?v=1777366254"},{"product_id":"vertex-2-stroke-piston-kit-beta-300cc","title":"Vertex 2 Stroke Piston Kit - Beta 300cc","description":"\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVertex 2 Stroke Piston Kit for Beta 300cc - Vertex Piston Kits\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eManufactured in Italy, Vertex, the premier brand of OEM replacement pistons, is the OEM supplier to KTM and numerous European motorcycle and go-kart manufacturers. Vertex offers enthusiasts state-of-the-art, high-quality pistons for nearly any powersport use, from motorcycles and ATVs to marine and karting. Manufactured to the highest standards in Japan, Vertex’s piston rings are produced by the OEM suppliers so that they are direct OEM replacements. Vertex is the choice of those who truly seek the optimum in powersport performance in any application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eWhat size piston do I need?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eIf you are just replacing the piston, then you need to first know the bore of the cylinder. This can be done by using a bore gauge to find the diameter or by reading the owner’s manual to find the bore specifications. Ultimately, the bore should be measured for the best possible results. After the diameter is known, then you can pick which size piston will work best in your cylinder. Remember to maintain about a 0.05mm (0.002”) piston to cylinder clearance, depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eVertex offers A, B, C, D, sizes so that the customer can properly fit each piston to the cylinder. The difference in the sizes is 0.01mm (0.0004\") increments, with A being the smallest and D the biggest. When a cylinder wears, the customer can choose the next larger piston size to regain the proper factory fitment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eWhy are Vertex Cast pistons better than forged? \u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eBecause of a cast piston’s ability to contain higher silicon content compared to forged pistons, and because two-stroke engines have lower cylinder pressures when compared to four-stroke engines, cast pistons are ideal for two-stroke engines. Vertex pistons are gravity cast from an aluminium alloy with 18% silicon content.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eWhy is Silicon important?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eIt decreases thermal expansion, which changes the geometry after the piston reaches operating temperature. With low thermal expansion characteristics, Vertex pistons can be run at tighter tolerances compared with forged pistons. This creates better power and performance, also making them less susceptible to rattling or breaking.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eSilicon gives the pistons better wear characteristics and prolongs piston life by decreasing wear on the piston skirt. Aiding in the break-in process and reducing wear, every Vertex piston has a Molybdenum Disulphide (MOS2) coating on the piston skirt.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVertex Piston Kit\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003e features:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003ePrecision Fit: Available in exact A, B, or C sizes to match your cylinder bore perfectly, maximising power and performance while minimising blow-by and oil consumption\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003e2-Stroke Pistons: Contain 18% silicon to reduce wear and thermal expansion, enabling tighter running tolerances for increased power, reduced noise, and longer lifespan\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eAdvanced Skirt Coating: High-tech Molybdenum Disulphide (MOS2) coating reduces wear and improves break-in performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eComprehensive Kit: Each kit includes a piston, rings, wrist pin, and circlips\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eStandard OEM replacement kits are plug-and-play, including piston, rings, wrist pin, and circlips. They are designed for direct compatibility\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003eReplacement rings are sold individually\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(179, 179, 179);\"\u003ePlease note: that the image in this listing is just an example image.  The piston you receive will be the exact shape and size for the OEM replacement required for your bike.\u003c\/span\u003e\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"BETA RR 300 13-17 | Size A - 71.95mm","offer_id":40835112239215,"sku":"24391A","price":149.99,"currency_code":"GBP","in_stock":true},{"title":"BETA RR 300 13-17 | Size B - 71.96mm","offer_id":40835112271983,"sku":"24391B","price":149.99,"currency_code":"GBP","in_stock":true},{"title":"BETA RR 300 18-21 | Size A - 71.95mm","offer_id":40835112304751,"sku":"24385A","price":149.99,"currency_code":"GBP","in_stock":true},{"title":"BETA RR 300 18-21 | Size B - 71.96mm","offer_id":40835112337519,"sku":"24385B","price":149.99,"currency_code":"GBP","in_stock":true},{"title":"BETA RR 300 22-Current | Size A - 72.95mm","offer_id":40835112370287,"sku":"24569A","price":149.99,"currency_code":"GBP","in_stock":true},{"title":"BETA RR 300 22-Current | Size B - 72.96mm","offer_id":40835112403055,"sku":"24569B","price":149.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1177\/5142\/files\/Vertex-2-Stroke-PistonKit-1.jpg?v=1777366254"},{"product_id":"vertex-2-stroke-piston-kit-beta-125cc","title":"Vertex 2 Stroke Piston Kit - Beta 125cc","description":"\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVertex 2 Stroke Piston Kit for Beta 125cc - Vertex Piston Kits\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eManufactured in Italy, Vertex, the premier brand of OEM replacement pistons, is the OEM supplier to KTM and numerous European motorcycle and go-kart manufacturers. Vertex offers enthusiasts state-of-the-art, high-quality pistons for nearly any powersport use from motorcycles and ATVs to marine and karting. Manufactured to the highest standards in Japan, Vertex’s piston rings are produced by the OEM suppliers so that they are direct OEM replacements. Vertex is the choice of those who truly seek the optimum in powersport performance in any application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eWhat size piston do I need?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eIf you are just replacing the piston, then you need to first know the bore of the cylinder. This can be done by using a bore gauge to find the diameter or by reading the owner’s manual to find the bore specifications. Ultimately, the bore should be measured for the best possible results. After the diameter is known, then you can pick which size piston will work best in your cylinder. Remember to maintain about a 0.05mm (0.002”) piston to cylinder clearance, depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eVertex offers A, B, C, D, sizes so that the customer can properly fit each piston to the cylinder. The difference in the sizes is 0.01mm (0.0004\") increments, with A being the smallest and D the biggest. When a cylinder wears, the customer can choose the next larger piston size to regain the proper factory fitment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eWhy are Vertex Cast pistons better than forged? \u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eBecause of a cast piston’s ability to contain higher silicon content compared to forged pistons, and because two-stroke engines have lower cylinder pressures when compared to four-stroke engines, cast pistons are ideal for two-stroke engines. Vertex pistons are gravity cast from an aluminium alloy with 18% silicon content.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eWhy is Silicon important?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eIt decreases thermal expansion, which changes the geometry after the piston reaches operating temperature. With low thermal expansion characteristics, Vertex pistons can be run at tighter tolerances compared with forged pistons. This creates better power and performance, also making them less susceptible to rattling or breaking.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eSilicon gives the pistons better wear characteristics and prolongs piston life by decreasing wear on the piston skirt. Aiding in the break-in process and reducing wear, every Vertex piston has a Molybdenum Disulphide (MOS2) coating on the piston skirt.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVertex Piston Kit\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003e features:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003ePrecision Fit: Available in exact A, B, or C sizes to match your cylinder bore perfectly, maximising power and performance while minimising blow-by and oil consumption\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003e2-Stroke Pistons: Contain 18% silicon to reduce wear and thermal expansion, enabling tighter running tolerances for increased power, reduced noise, and longer lifespan\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eAdvanced Skirt Coating: High-tech Molybdenum Disulphide (MOS2) coating reduces wear and improves break-in performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eComprehensive Kit: Each kit includes a piston, rings, wrist pin, and circlips\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eStandard OEM replacement kits are plug-and-play, including piston, rings, wrist pin, and circlips. They are designed for direct compatibility\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003eReplacement rings are sold individually\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(179, 179, 179);\"\u003ePlease note: that the image in this listing is just an example image.  The piston you receive will be the exact shape and size for the OEM replacement required for your bike.\u003c\/span\u003e\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"BETA RR 125 18-Current | Size A - 53.95mm","offer_id":40835118334063,"sku":"160089A","price":109.99,"currency_code":"GBP","in_stock":true},{"title":"BETA RR 125 18-Current | Size B - 53.96mm","offer_id":40835118366831,"sku":"160089B","price":109.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1177\/5142\/files\/Vertex-2-Stroke-PistonKit-1.jpg?v=1777366254"},{"product_id":"vertex-2-stroke-piston-kit-beta-200cc","title":"Vertex 2 Stroke Piston Kit - Beta 200cc","description":"\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVertex 2 Stroke Piston Kit for Beta 200cc - Vertex Piston Kits\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eManufactured in Italy, Vertex, the premier brand of OEM replacement pistons, is the OEM supplier to KTM and numerous European motorcycle and go-kart manufacturers. Vertex offers enthusiasts state-of-the-art, high-quality pistons for nearly any powersport use, from motorcycles and ATVs to marine and karting. Manufactured to the highest standards in Japan, Vertex’s piston rings are produced by the OEM suppliers so that they are direct OEM replacements. Vertex is the choice of those who truly seek the optimum in powersport performance in any application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eWhat size piston do I need?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eIf you are just replacing the piston, then you need to first know the bore of the cylinder. This can be done by using a bore gauge to find the diameter or by reading the owner’s manual to find the bore specifications. Ultimately, the bore should be measured for the best possible results. After the diameter is known, then you can pick which size piston will work best in your cylinder. Remember to maintain about a 0.05mm (0.002”) piston to cylinder clearance, depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eVertex offers A, B, C, D, sizes so that the customer can properly fit each piston to the cylinder. The difference in the sizes is 0.01mm (0.0004\") increments, with A being the smallest and D the biggest. When a cylinder wears, the customer can choose the next larger piston size to regain the proper factory fitment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eWhy are Vertex Cast pistons better than forged? \u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eBecause of a cast piston’s ability to contain higher silicon content compared to forged pistons, and because two-stroke engines have lower cylinder pressures when compared to four-stroke engines, cast pistons are ideal for two-stroke engines. Vertex pistons are gravity cast from an aluminium alloy with 18% silicon content.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eWhy is Silicon important?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eIt decreases thermal expansion, which changes the geometry after the piston reaches operating temperature. With low thermal expansion characteristics, Vertex pistons can be run at tighter tolerances compared with forged pistons. This creates better power and performance, also making them less susceptible to rattling or breaking.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eSilicon gives the pistons better wear characteristics and prolongs piston life by decreasing wear on the piston skirt. Aiding in the break-in process and reducing wear, every Vertex piston has a Molybdenum Disulphide (MOS2) coating on the piston skirt.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVertex Piston Kit\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003e features:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003ePrecision Fit: Available in exact A, B, or C sizes to match your cylinder bore perfectly, maximising power and performance while minimising blow-by and oil consumption\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003e2-Stroke Pistons: Contain 18% silicon to reduce wear and thermal expansion, enabling tighter running tolerances for increased power, reduced noise, and longer lifespan\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eAdvanced Skirt Coating: High-tech Molybdenum Disulphide (MOS2) coating reduces wear and improves break-in performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eComprehensive Kit: Each kit includes a piston, rings, wrist pin, and circlips\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003eStandard OEM replacement kits are plug-and-play, including piston, rings, wrist pin, and circlips. They are designed for direct compatibility\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(64, 64, 64);\" dir=\"ltr\"\u003eReplacement rings are sold individually\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(179, 179, 179);\"\u003ePlease note: that the image in this listing is just an example image.  The piston you receive will be the exact shape and size for the OEM replacement required for your bike.\u003c\/span\u003e\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"BETA RR 200 19-Current | Size A - 61.95mm","offer_id":40835119317103,"sku":"160137A","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"BETA RR 200 19-Current | Size B - 61.96mm","offer_id":40835119349871,"sku":"160137B","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"BETA RR 200 19-Current | Size C - 61.97mm","offer_id":40835119382639,"sku":"160137C","price":129.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1177\/5142\/files\/Vertex-2-Stroke-PistonKit-1.jpg?v=1777366254"},{"product_id":"vertex-2-stroke-piston-kit-yamaha-65cc","title":"Vertex 2 Stroke Piston Kit - Yamaha 65cc","description":"\u003cp\u003e\u003cstrong\u003eVertex 2 Stroke Piston Kit - Yamaha 65cc \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Manufactured in Italy, Vertex, the premier brand of OEM replacement pistons, is the OEM supplier to KTM and numerous European motorcycle and go-kart manufacturers. Vertex offers enthusiasts state-of-the-art, high-quality pistons for nearly any powersport use from motorcycles and ATVs to marine and karting. Manufactured to the highest standards in Japan, Vertex’s piston rings are produced by the OEM suppliers so that they are direct OEM replacements. Vertex is the choice of those who truly seek the optimum in powersport performance in any application. \u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eWhy is Vertex Cast pistons better than forged? \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Because of a cast piston’s ability to contain higher silicon content compared to forged pistons, and because twostrokes have lower cylinder pressures when compared to four-strokes, cast pistons are ideal for two-stroke engines. Vertex pistons are gravity cast from an aluminum alloy with 18% silicon content. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is Silicon important?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• It decreases thermal expansion, which changes the geometry after the piston reaches operating temperature. With low thermal expansion characteristics, Vertex pistons can be run at tighter tolerances compared with forged pistons. This creates better power and performance, also making them less susceptible to rattling or breaking. \u003cbr\u003e\u003cbr\u003e• Silicon gives the pistons better wear characteristics and prolongs piston life by decreasing wear on the piston skirt. Aiding in the break-in process and reducing wear, every Vertex piston has a Molybdenum Disulphide (MOS2) coating on the piston skirt.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVertex Piston Kit features:\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e• Standard pistons and components are OEM replacements.\u003cbr\u003e• Kits include piston, rings, wrist pin and circlips.\u003cbr\u003e• All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle.\u003cbr\u003e• Replacement rings are sold individually.\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"YZ65 18-22 43.45mm A","offer_id":40835971612783,"sku":"24352A","price":89.99,"currency_code":"GBP","in_stock":true},{"title":"YZ65 18-22 43.46mm B","offer_id":40835971645551,"sku":"24352B","price":89.99,"currency_code":"GBP","in_stock":true},{"title":"YZ65 18-22 43.47mm C","offer_id":40835971678319,"sku":"24352C","price":89.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1177\/5142\/products\/ver_12_pis_kit_sta-min_0f43337f-660e-45d9-910a-8d9b177679ec.jpg?v=1653678392"},{"product_id":"vertex-2-stroke-piston-kit-yamaha-85cc","title":"Vertex 2 Stroke Piston Kit - Yamaha 85cc","description":"\u003cp\u003e\u003cstrong\u003eVertex 2 Stroke Piston Kit - Yamaha 85cc \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Manufactured in Italy, Vertex, the premier brand of OEM replacement pistons, is the OEM supplier to KTM and numerous European motorcycle and go-kart manufacturers. Vertex offers enthusiasts state-of-the-art, high-quality pistons for nearly any powersport use from motorcycles and ATVs to marine and karting. Manufactured to the highest standards in Japan, Vertex’s piston rings are produced by the OEM suppliers so that they are direct OEM replacements. Vertex is the choice of those who truly seek the optimum in powersport performance in any application. \u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eWhy is Vertex Cast pistons better than forged? \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Because of a cast piston’s ability to contain higher silicon content compared to forged pistons, and because twostrokes have lower cylinder pressures when compared to four-strokes, cast pistons are ideal for two-stroke engines. Vertex pistons are gravity cast from an aluminum alloy with 18% silicon content. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is Silicon important?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e: • It decreases thermal expansion, which changes the geometry after the piston reaches operating temperature. With low thermal expansion characteristics, Vertex pistons can be run at tighter tolerances compared with forged pistons. This creates better power and performance, also making them less susceptible to rattling or breaking. \u003cbr\u003e\u003cbr\u003e• Silicon gives the pistons better wear characteristics and prolongs piston life by decreasing wear on the piston skirt. Aiding in the break-in process and reducing wear, every Vertex piston has a Molybdenum Disulphide (MOS2) coating on the piston skirt.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVertex Piston Kit features:\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e• Standard pistons and components are OEM replacements.\u003cbr\u003e• Kits include piston, rings, wrist pin and circlips.\u003cbr\u003e• All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle.\u003cbr\u003e• Replacement rings are sold individually.\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"YZ85 02-22 47.45mm A","offer_id":40835972563055,"sku":"24370A","price":79.99,"currency_code":"GBP","in_stock":true},{"title":"YZ85 02-22 47.46mm B","offer_id":40835972595823,"sku":"24370B","price":79.99,"currency_code":"GBP","in_stock":true},{"title":"YZ85 02-22 47.47mm C","offer_id":40835972628591,"sku":"24370C","price":79.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1177\/5142\/products\/ver_12_pis_kit_sta-min_10059a16-5d3a-4f3d-8b30-e0a43497ae35.jpg?v=1653678556"},{"product_id":"vertex-2-stroke-piston-kit-yamaha-125cc","title":"Vertex 2 Stroke Piston Kit - Yamaha 125cc","description":"\u003cp\u003e\u003cstrong\u003eVertex 2 Stroke Piston Kit - Yamaha 125cc \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Manufactured in Italy, Vertex, the premier brand of OEM replacement pistons, is the OEM supplier to KTM and numerous European motorcycle and go-kart manufacturers. 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Vertex offers enthusiasts state-of-the-art, high-quality pistons for nearly any powersport use from motorcycles and ATVs to marine and karting. Manufactured to the highest standards in Japan, Vertex’s piston rings are produced by the OEM suppliers so that they are direct OEM replacements. Vertex is the choice of those who truly seek the optimum in powersport performance in any application. \u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eWhy is Vertex Cast pistons better than forged? \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Because of a cast piston’s ability to contain higher silicon content compared to forged pistons, and because twostrokes have lower cylinder pressures when compared to four-strokes, cast pistons are ideal for two-stroke engines. 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Aiding in the break-in process and reducing wear, every Vertex piston has a Molybdenum Disulphide (MOS2) coating on the piston skirt.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVertex Piston Kit features:\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e• Standard pistons and components are OEM replacements.\u003cbr\u003e• Kits include piston, rings, wrist pin and circlips.\u003cbr\u003e• All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle.\u003cbr\u003e• Replacement rings are sold individually.\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"RM250 1989-95 66.94mm","offer_id":40836622516335,"sku":"22215A","price":129.99,"currency_code":"GBP","in_stock":false},{"title":"RM250 1989-95 66.95mm","offer_id":40836622549103,"sku":"22215B","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"RM250 1989-95 66.96mm","offer_id":40836622581871,"sku":"22215C","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"RM250 1996-97 66.94mm","offer_id":40836622614639,"sku":"22386A","price":129.99,"currency_code":"GBP","in_stock":false},{"title":"RM250 1996-97 66.95mm","offer_id":40836622647407,"sku":"22386B","price":129.99,"currency_code":"GBP","in_stock":false},{"title":"RM250 1996-97 66.96mm","offer_id":40836622680175,"sku":"22386C","price":129.99,"currency_code":"GBP","in_stock":false},{"title":"RM250 1998 66.34mm","offer_id":40836622712943,"sku":"22540A","price":129.99,"currency_code":"GBP","in_stock":false},{"title":"RM250 1998 66.35mm","offer_id":40836622745711,"sku":"22540B","price":129.99,"currency_code":"GBP","in_stock":false},{"title":"RM250 1998 66.36mm","offer_id":40836622778479,"sku":"22540C","price":129.99,"currency_code":"GBP","in_stock":false},{"title":"RM250 1999 66.34mm","offer_id":40836622811247,"sku":"22585A","price":129.99,"currency_code":"GBP","in_stock":false},{"title":"RM250 1999 66.35mm","offer_id":40836622844015,"sku":"22585B","price":129.99,"currency_code":"GBP","in_stock":false},{"title":"RM250 1999 66.36mm","offer_id":40836622876783,"sku":"22585C","price":129.99,"currency_code":"GBP","in_stock":false},{"title":"RM250 2000-02 66.34mm","offer_id":40836622909551,"sku":"22646A","price":129.99,"currency_code":"GBP","in_stock":false},{"title":"RM250 2000-02 66.35mm","offer_id":40836622942319,"sku":"22646B","price":129.99,"currency_code":"GBP","in_stock":false},{"title":"RM250 2000-02 66.36mm","offer_id":40836622975087,"sku":"22646C","price":129.99,"currency_code":"GBP","in_stock":false},{"title":"RM250 2003-10 66.34mm","offer_id":40836623007855,"sku":"22854A","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"RM250 2003-10 66.35mm","offer_id":40836623040623,"sku":"22854B","price":129.99,"currency_code":"GBP","in_stock":true},{"title":"RM250 2003-10 66.36mm","offer_id":40836623073391,"sku":"22854C","price":129.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1177\/5142\/products\/ver_12_pis_kit_sta-min_000da63e-cc71-417c-bc5a-7ef909daad63.jpg?v=1653754659"},{"product_id":"vertex-2-stroke-piston-kit-suzuki-85cc","title":"Vertex 2 Stroke Piston Kit - Suzuki 85cc","description":"\u003cp\u003e\u003cstrong\u003eVertex 2 Stroke Piston Kit - Suzuki 85cc \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Manufactured in Italy, Vertex, the premier brand of OEM replacement pistons, is the OEM supplier to KTM and numerous European motorcycle and go-kart manufacturers. Vertex offers enthusiasts state-of-the-art, high-quality pistons for nearly any powersport use from motorcycles and ATVs to marine and karting. Manufactured to the highest standards in Japan, Vertex’s piston rings are produced by the OEM suppliers so that they are direct OEM replacements. Vertex is the choice of those who truly seek the optimum in powersport performance in any application. \u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eWhy is Vertex Cast pistons better than forged? \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Because of a cast piston’s ability to contain higher silicon content compared to forged pistons, and because twostrokes have lower cylinder pressures when compared to four-strokes, cast pistons are ideal for two-stroke engines. Vertex pistons are gravity cast from an aluminum alloy with 18% silicon content. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is Silicon important?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e: • It decreases thermal expansion, which changes the geometry after the piston reaches operating temperature. With low thermal expansion characteristics, Vertex pistons can be run at tighter tolerances compared with forged pistons. This creates better power and performance, also making them less susceptible to rattling or breaking. \u003cbr\u003e\u003cbr\u003e• Silicon gives the pistons better wear characteristics and prolongs piston life by decreasing wear on the piston skirt. Aiding in the break-in process and reducing wear, every Vertex piston has a Molybdenum Disulphide (MOS2) coating on the piston skirt.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVertex Piston Kit features:\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e• Standard pistons and components are OEM replacements.\u003cbr\u003e• Kits include piston, rings, wrist pin and circlips.\u003cbr\u003e• All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle.\u003cbr\u003e• Replacement rings are sold individually.\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"RM80 1991-99 46.45mm A","offer_id":40836632379503,"sku":"22444A","price":79.99,"currency_code":"GBP","in_stock":false},{"title":"RM80 1991-99 46.46mm B","offer_id":40836632412271,"sku":"22444B","price":79.99,"currency_code":"GBP","in_stock":false},{"title":"RM80 1991-99 46.47mm C","offer_id":40836632445039,"sku":"22444C","price":79.99,"currency_code":"GBP","in_stock":false},{"title":"RM85 02-19 47.94mm A","offer_id":40836632477807,"sku":"22877A","price":79.99,"currency_code":"GBP","in_stock":true},{"title":"RM85 02-19 47.95mm B","offer_id":40836632510575,"sku":"22877B","price":79.99,"currency_code":"GBP","in_stock":true},{"title":"RM85 02-19 47.96mm C","offer_id":40836632543343,"sku":"22877C","price":79.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1177\/5142\/products\/ver_12_pis_kit_sta-min_27bdcae8-9277-42d8-8eac-1c071f748657.jpg?v=1653756310"}],"url":"https:\/\/atmotocross.com\/collections\/2-stroke-piston-kits.oembed","provider":"AT Motocross","version":"1.0","type":"link"}