{"title":"TM KZ R1 Pistons","description":null,"products":[{"product_id":"tm-kz-125cc-piston-pin-needle-roller-cage-15mm","title":"TM KZ 125cc 15 mm Piston Pin Needle Roller Cage","description":"\u003cp\u003eNeedle roller cage for 15 mm piston pins: the bearing that runs in the connecting rod small end and supports the piston pin. It is one of the most heavily stressed components in a two-stroke kart engine, which is why it must be of high quality and always in perfect condition.\u003c\/p\u003e\n\u003cp\u003eSuitable for all 125cc KZ gearbox engines (TM, IAME, Vortex, Modena and others) and for KF \/ OK direct-drive engines with a 15 mm piston pin. It is good practice to replace it every time you change the piston: a worn cage creates play in the connecting rod small end and may fail.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable versions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBlack (burnished), dark finish – TM code 19033\u003c\/li\u003e\n\u003cli\u003eSilver – TM code 19056\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TM Kart\u003c\/li\u003e\n\u003cli\u003eDimensions: 15 x 19 x 19.7 mm (inner diameter x outer diameter x width)\u003c\/li\u003e\n\u003cli\u003eFor 15 mm piston pins\u003c\/li\u003e\n\u003cli\u003eEngines: TM KZ R3, KZ R2, KZ R1, KZ10C and all 125cc KZ \/ KF \/ OK engines with a 15 mm piston pin\u003c\/li\u003e\n\u003cli\u003ePrices include VAT\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TM Kart","offers":[{"title":"Black (burnished)","offer_id":55285746696529,"sku":"19033","price":14.93,"currency_code":"EUR","in_stock":true},{"title":"Silver","offer_id":55285746729297,"sku":"19056","price":16.97,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/4828\/2193\/files\/tm-kz-125cc-piston-pin-needle-roller-cage-15mm.jpg?v=1791885525"},{"product_id":"tm-kz-semi-flat-piston-vertex-racing","title":"TM KZ Semi-Flat Piston Vertex Racing - KZ10C \/ R1 \/ R2 \/ R3","description":"\u003cp\u003eGenuine TM Kart piston for 125cc KZ engines, Racing version with a semi-flat crown, manufactured by Vertex for TM. In the TM price list it is the “KZ-R2 Racing” piston and it is also used on the KZ R3, with the build quality and tolerances of genuine TM spare parts.\u003c\/p\u003e\n\u003cp\u003eIt fits the TM KZ R2 and KZ R3 directly. It can also be used on the KZ10C, KZ R1 and earlier engines (K9, K9B, K9C, KZ10, KZ10B) when paired with the matching dome (combustion chamber): the crown shape must match the dome fitted in the cylinder head. If you are unsure which dome you need, please contact us before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage contents\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePiston\u003c\/li\u003e\n\u003cli\u003ePiston ring\u003c\/li\u003e\n\u003cli\u003ePiston pin\u003c\/li\u003e\n\u003cli\u003e2 circlips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePiston size\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAvailable in sizes 53.93 – 53.94 – 53.95: this is the piston diameter in millimetres and should be chosen according to the cylinder bore diameter to obtain the correct fitting clearance. If you don't know the size, tell us the size of the piston or cylinder you are currently running.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePiston preparation (your choice)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNone: standard piston, straight out of the box\u003c\/li\u003e\n\u003cli\u003eRacing preparation: lightening, chamfering and shaping of the lower part of the piston\u003c\/li\u003e\n\u003cli\u003eExtreme preparation: Racing machining of the lower part plus lightening of the piston skirt\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRacing and Extreme preparations are carried out on request in our workshop once the order has been placed: the prepared piston is ready to ship 7 days after the order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TM Kart (manufactured by Vertex)\u003c\/li\u003e\n\u003cli\u003eTM codes: 10121.93 \/ 10121.94 \/ 10121.95\u003c\/li\u003e\n\u003cli\u003eCrown: semi-flat\u003c\/li\u003e\n\u003cli\u003eEngines: TM KZ R3, KZ R2 (direct fit); KZ R1, KZ10C, K9, KZ10, KZ10B with matching dome\u003c\/li\u003e\n\u003cli\u003ePrices include VAT\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TM Kart","offers":[{"title":"53.93 \/ None","offer_id":55285747024209,"sku":"10121.93","price":84.4,"currency_code":"EUR","in_stock":true},{"title":"53.93 \/ Racing preparation","offer_id":55285905883473,"sku":"10121.93-RACING","price":107.45,"currency_code":"EUR","in_stock":true},{"title":"53.93 \/ Extreme preparation","offer_id":55285905916241,"sku":"10121.93-EXTREME","price":120.95,"currency_code":"EUR","in_stock":true},{"title":"53.94 \/ None","offer_id":55285747122513,"sku":"10121.94","price":84.4,"currency_code":"EUR","in_stock":true},{"title":"53.94 \/ Racing preparation","offer_id":55285905949009,"sku":"10121.94-RACING","price":107.45,"currency_code":"EUR","in_stock":true},{"title":"53.94 \/ Extreme preparation","offer_id":55285905981777,"sku":"10121.94-EXTREME","price":120.95,"currency_code":"EUR","in_stock":true},{"title":"53.95 \/ None","offer_id":55285747220817,"sku":"10121.95","price":84.4,"currency_code":"EUR","in_stock":true},{"title":"53.95 \/ Racing preparation","offer_id":55285906014545,"sku":"10121.95-RACING","price":107.45,"currency_code":"EUR","in_stock":true},{"title":"53.95 \/ Extreme preparation","offer_id":55285906047313,"sku":"10121.95-EXTREME","price":120.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/4828\/2193\/files\/tm-kz-semi-flat-piston-vertex-racing.jpg?v=1792011310"},{"product_id":"tm-kz-flat-top-piston-0-8-ring-light-vertex","title":"TM KZ Flat-Crown Piston 0.8 mm Ring Light Vertex - KZ10C \/ R1 \/ R2 \/ R3","description":"\u003cp\u003eGenuine TM Kart flat-crown (zero degrees) piston for 125cc KZ engines, Light version with a thin 0.8 mm piston ring, manufactured by Vertex. The 0.8 mm ring reduces friction against the cylinder liner and lightens the piston assembly, for smoother running at high revs.\u003c\/p\u003e\n\u003cp\u003eDeveloped for the TM KZ10C and KZ R1, it can also be used on the KZ R2 and KZ R3 and on earlier engines (K9, K9B, K9C, KZ10, KZ10B), always paired with the dome (combustion chamber) for flat-crown pistons: the crown shape must match the dome fitted in the cylinder head. If you are unsure which dome you need, please contact us before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage contents\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePiston\u003c\/li\u003e\n\u003cli\u003e0.8 mm piston ring\u003c\/li\u003e\n\u003cli\u003ePiston pin\u003c\/li\u003e\n\u003cli\u003e2 circlips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePiston size\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAvailable in sizes 53.93 – 53.94 – 53.95 – 53.96: this is the piston diameter in millimetres and should be chosen according to the cylinder bore diameter to obtain the correct fitting clearance. If you don't know the size, tell us the size of the piston or cylinder you are currently running.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePiston preparation (your choice)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNone: standard piston, straight out of the box\u003c\/li\u003e\n\u003cli\u003eRacing preparation: lightening, chamfering and shaping of the lower part of the piston\u003c\/li\u003e\n\u003cli\u003eExtreme preparation: Racing machining of the lower part plus lightening of the piston skirt\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRacing and Extreme preparations are carried out on request in our workshop once the order has been placed: the prepared piston is ready to ship 7 days after the order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TM Kart (manufactured by Vertex)\u003c\/li\u003e\n\u003cli\u003eTM codes: 10085.93 \/ 10085.94 \/ 10085.95 \/ 10085.96\u003c\/li\u003e\n\u003cli\u003eCrown: flat (zero degrees)\u003c\/li\u003e\n\u003cli\u003ePiston ring: 0.8 mm, Light version\u003c\/li\u003e\n\u003cli\u003eEngines: TM KZ10C, KZ R1, KZ R2, KZ R3 and earlier, with dome for flat-crown pistons\u003c\/li\u003e\n\u003cli\u003ePrices include VAT\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TM Kart","offers":[{"title":"53.93 \/ None","offer_id":55285747745105,"sku":"10085.93","price":79.99,"currency_code":"EUR","in_stock":true},{"title":"53.93 \/ Racing preparation","offer_id":55285907063121,"sku":"10085.93-RACING","price":99.44,"currency_code":"EUR","in_stock":true},{"title":"53.93 \/ Extreme preparation","offer_id":55285907095889,"sku":"10085.93-EXTREME","price":111.59,"currency_code":"EUR","in_stock":true},{"title":"53.94 \/ None","offer_id":55285747843409,"sku":"10085.94","price":79.99,"currency_code":"EUR","in_stock":true},{"title":"53.94 \/ Racing preparation","offer_id":55285907128657,"sku":"10085.94-RACING","price":99.44,"currency_code":"EUR","in_stock":true},{"title":"53.94 \/ Extreme preparation","offer_id":55285907161425,"sku":"10085.94-EXTREME","price":111.59,"currency_code":"EUR","in_stock":true},{"title":"53.95 \/ None","offer_id":55285747941713,"sku":"10085.95","price":79.99,"currency_code":"EUR","in_stock":true},{"title":"53.95 \/ Racing preparation","offer_id":55285907194193,"sku":"10085.95-RACING","price":99.44,"currency_code":"EUR","in_stock":true},{"title":"53.95 \/ Extreme preparation","offer_id":55285907226961,"sku":"10085.95-EXTREME","price":111.59,"currency_code":"EUR","in_stock":true},{"title":"53.96 \/ None","offer_id":55285748040017,"sku":"10085.96","price":79.99,"currency_code":"EUR","in_stock":true},{"title":"53.96 \/ Racing preparation","offer_id":55285907259729,"sku":"10085.96-RACING","price":99.44,"currency_code":"EUR","in_stock":true},{"title":"53.96 \/ Extreme preparation","offer_id":55285907292497,"sku":"10085.96-EXTREME","price":111.59,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/4828\/2193\/files\/tm-kz-flat-top-piston-0-8-ring-light-vertex.jpg?v=1792011315"},{"product_id":"tm-kz-piston-vertex-special-version-rc24","title":"TM KZ Vertex Piston Special Version RC 24 - KZ10C \/ R1 \/ R2 \/ R3","description":"\u003cp\u003eGenuine TM Kart piston in the special version (RC 24), designed by TM and manufactured by Vertex for 125cc KZ engines. Compared with the standard piston it is lighter and its skirt is machined on the intake side: this machining improves filling of the engine crankcase.\u003c\/p\u003e\n\u003cp\u003eIt fits the TM KZ R2 and KZ R3 directly. It can also be used on the KZ10C, KZ R1 and earlier engines (K9, K9B, K9C, KZ10, KZ10B) when paired with the matching dome (combustion chamber): the crown shape must match the dome fitted in the cylinder head. If you are unsure which dome you need, please contact us before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage contents\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePiston\u003c\/li\u003e\n\u003cli\u003ePiston ring\u003c\/li\u003e\n\u003cli\u003ePiston pin\u003c\/li\u003e\n\u003cli\u003e2 circlips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePiston size\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAvailable in all 4 sizes of the TM price list: 53.93 – 53.94 – 53.95 – 53.96. This is the piston diameter in millimetres and should be chosen according to the cylinder bore diameter to obtain the correct fitting clearance. If you don't know the size, tell us the size of the piston or cylinder you are currently running.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePiston preparation (your choice)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNone: standard piston, straight out of the box\u003c\/li\u003e\n\u003cli\u003eRacing preparation: lightening, chamfering and shaping of the lower part of the piston\u003c\/li\u003e\n\u003cli\u003eExtreme preparation: Racing machining of the lower part plus lightening of the piston skirt\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRacing and Extreme preparations are carried out on request in our workshop once the order has been placed: the prepared piston is ready to ship 7 days after the order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TM Kart (designed by TM, manufactured by Vertex)\u003c\/li\u003e\n\u003cli\u003eTM codes: 10583.93 \/ 10583.94 \/ 10583.95 \/ 10583.96\u003c\/li\u003e\n\u003cli\u003eSpecial version RC 24: lighter, skirt machined on the intake side\u003c\/li\u003e\n\u003cli\u003eEngines: TM KZ R3, KZ R2 (direct fit); KZ R1, KZ10C, K9, KZ10, KZ10B with matching dome\u003c\/li\u003e\n\u003cli\u003ePrices include VAT\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TM Kart","offers":[{"title":"53.93 \/ None","offer_id":55285749907793,"sku":"10583.93","price":92.47,"currency_code":"EUR","in_stock":true},{"title":"53.93 \/ Racing preparation","offer_id":55285908046161,"sku":"10583.93-RACING","price":116.01,"currency_code":"EUR","in_stock":true},{"title":"53.93 \/ Extreme preparation","offer_id":55285908078929,"sku":"10583.93-EXTREME","price":129.51,"currency_code":"EUR","in_stock":true},{"title":"53.94 \/ None","offer_id":55285750006097,"sku":"10583.94","price":92.47,"currency_code":"EUR","in_stock":true},{"title":"53.94 \/ Racing preparation","offer_id":55285908111697,"sku":"10583.94-RACING","price":116.01,"currency_code":"EUR","in_stock":true},{"title":"53.94 \/ Extreme preparation","offer_id":55285908144465,"sku":"10583.94-EXTREME","price":129.51,"currency_code":"EUR","in_stock":true},{"title":"53.95 \/ None","offer_id":55285750104401,"sku":"10583.95","price":92.47,"currency_code":"EUR","in_stock":true},{"title":"53.95 \/ Racing preparation","offer_id":55285908177233,"sku":"10583.95-RACING","price":116.01,"currency_code":"EUR","in_stock":true},{"title":"53.95 \/ Extreme preparation","offer_id":55285908210001,"sku":"10583.95-EXTREME","price":129.51,"currency_code":"EUR","in_stock":true},{"title":"53.96 \/ None","offer_id":55285750202705,"sku":"10583.96","price":92.47,"currency_code":"EUR","in_stock":true},{"title":"53.96 \/ Racing preparation","offer_id":55285908242769,"sku":"10583.96-RACING","price":116.01,"currency_code":"EUR","in_stock":true},{"title":"53.96 \/ Extreme preparation","offer_id":55285908275537,"sku":"10583.96-EXTREME","price":129.51,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/4828\/2193\/files\/tm-kz-piston-vertex-special-version-rc24.jpg?v=1792011320"},{"product_id":"tm-kz-semi-flat-piston-asso","title":"TM KZ Semi-Flat Piston Asso - KZ10C \/ R1 \/ R2 \/ R3","description":"\u003cp\u003eGenuine TM Kart semi-flat crown piston for 125cc KZ engines, designed by TM and manufactured by Asso Werke, a specialist in racing pistons. In the TM price list it is the “KZ-R2 AW” piston: the same semi-flat geometry as the Vertex Racing, with Asso alloy and machining.\u003c\/p\u003e\n\u003cp\u003eIt fits the TM KZ R2 and KZ R3 directly. It can also be used on the KZ10C, KZ R1 and earlier engines (K9, K9B, K9C, KZ10, KZ10B) when paired with the matching dome (combustion chamber): the crown shape must match the dome fitted in the cylinder head. If you are unsure which dome you need, please contact us before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage contents\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePiston\u003c\/li\u003e\n\u003cli\u003ePiston ring\u003c\/li\u003e\n\u003cli\u003ePiston pin\u003c\/li\u003e\n\u003cli\u003e2 circlips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePiston size\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAvailable in sizes 53.93 – 53.94 – 53.95: this is the piston diameter in millimetres and should be chosen according to the cylinder bore diameter to obtain the correct fitting clearance. If you don't know the size, tell us the size of the piston or cylinder you are currently running.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePiston preparation (your choice)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNone: standard piston, straight out of the box\u003c\/li\u003e\n\u003cli\u003eRacing preparation: lightening, chamfering and shaping of the lower part of the piston\u003c\/li\u003e\n\u003cli\u003eExtreme preparation: Racing machining of the lower part plus lightening of the piston skirt\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRacing and Extreme preparations are carried out on request in our workshop once the order has been placed: the prepared piston is ready to ship 7 days after the order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TM Kart (designed by TM, manufactured by Asso Werke)\u003c\/li\u003e\n\u003cli\u003eTM codes: 10123.93 \/ 10123.94 \/ 10123.95\u003c\/li\u003e\n\u003cli\u003eCrown: semi-flat\u003c\/li\u003e\n\u003cli\u003eEngines: TM KZ R3, KZ R2 (direct fit); KZ R1, KZ10C, K9, KZ10, KZ10B with matching dome\u003c\/li\u003e\n\u003cli\u003ePrices include VAT\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TM Kart","offers":[{"title":"53.93 \/ None","offer_id":55285751021905,"sku":"10123.93","price":94.32,"currency_code":"EUR","in_stock":true},{"title":"53.93 \/ Racing preparation","offer_id":55285908504913,"sku":"10123.93-RACING","price":118.43,"currency_code":"EUR","in_stock":true},{"title":"53.93 \/ Extreme preparation","offer_id":55285908537681,"sku":"10123.93-EXTREME","price":131.93,"currency_code":"EUR","in_stock":true},{"title":"53.94 \/ None","offer_id":55285751120209,"sku":"10123.94","price":94.32,"currency_code":"EUR","in_stock":true},{"title":"53.94 \/ Racing preparation","offer_id":55285908570449,"sku":"10123.94-RACING","price":118.43,"currency_code":"EUR","in_stock":true},{"title":"53.94 \/ Extreme preparation","offer_id":55285908603217,"sku":"10123.94-EXTREME","price":131.93,"currency_code":"EUR","in_stock":true},{"title":"53.95 \/ None","offer_id":55285751218513,"sku":"10123.95","price":94.32,"currency_code":"EUR","in_stock":true},{"title":"53.95 \/ Racing preparation","offer_id":55285908635985,"sku":"10123.95-RACING","price":118.43,"currency_code":"EUR","in_stock":true},{"title":"53.95 \/ Extreme preparation","offer_id":55285908668753,"sku":"10123.95-EXTREME","price":131.93,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/4828\/2193\/files\/tm-kz-semi-flat-piston-asso-1.jpg?v=1792011326"},{"product_id":"tm-kz-125cc-piston-ring-54x0-8mm","title":"TM KZ 125cc 54 x 0.8 mm Piston Ring","description":"\u003cp\u003e0.8 mm thick piston ring for 54 mm diameter pistons, made by Nippon Ring and supplied by TM Kart. The thin ring reduces friction against the cylinder liner and helps the engine rev up more freely.\u003c\/p\u003e\n\u003cp\u003eFit it only to pistons with a 0.8 mm ring groove, such as the TM KZ flat-top 0.8 Light piston: pistons with a 1 mm groove need the 1 mm ring. The piston ring is a wear part: replacing it at regular intervals keeps the engine's compression and performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TM Kart (made by Nippon Ring)\u003c\/li\u003e\n\u003cli\u003eTM code: 11078\u003c\/li\u003e\n\u003cli\u003eDiameter: 54 mm\u003c\/li\u003e\n\u003cli\u003eThickness: 0.8 mm\u003c\/li\u003e\n\u003cli\u003eEngines: TM KZ R3, KZ R2, KZ R1, KZ10C and all 125cc KZ engines with a 54 mm piston with a 0.8 mm ring groove\u003c\/li\u003e\n\u003cli\u003ePrices include VAT\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TM Kart","offers":[{"title":"Default Title","offer_id":55310052196689,"sku":"11078","price":19.51,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/4828\/2193\/files\/tm-kz-125cc-piston-ring-54x0-8mm.jpg?v=1792011282"},{"product_id":"tm-kz-125cc-piston-ring-54x1mm","title":"TM KZ 125cc 54 x 1 mm Piston Ring","description":"\u003cp\u003e1 mm thick piston ring for 54 mm diameter pistons, made by Nippon Ring and supplied by TM Kart. This is the standard size for 125cc KZ gearbox engine pistons: it fits Vertex, Asso and other 54 mm pistons with a 1 mm ring groove.\u003c\/p\u003e\n\u003cp\u003eThe ring works in close contact with the cylinder liner and seals the compression: when it is worn, the engine loses compression and power. Replacing it at regular intervals, or at every top-end overhaul, keeps the engine at its best. Pistons with a 0.8 mm groove need the 0.8 mm ring instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TM Kart (made by Nippon Ring)\u003c\/li\u003e\n\u003cli\u003eTM code: 11072\u003c\/li\u003e\n\u003cli\u003eDiameter: 54 mm\u003c\/li\u003e\n\u003cli\u003eThickness: 1 mm\u003c\/li\u003e\n\u003cli\u003eEngines: TM KZ R3, KZ R2, KZ R1 and all 125cc KZ engines with a 54 mm piston with a 1 mm ring groove\u003c\/li\u003e\n\u003cli\u003ePrices include VAT\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TM Kart","offers":[{"title":"Default Title","offer_id":55310052458833,"sku":"11072","price":17.77,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/4828\/2193\/files\/tm-kz-125cc-piston-ring-54x1mm.jpg?v=1792011286"},{"product_id":"tm-kz-125cc-piston-pin-circlip-15mm","title":"TM KZ 125cc 15 mm Piston Pin Circlip","description":"\u003cp\u003eRetaining ring (circlip) for 15 mm piston pins: it fits into the two grooves of the piston and holds the pin in place, preventing it from sliding out and touching the cylinder liner. Genuine TM Kart spare part for 125cc KZ engine pistons.\u003c\/p\u003e\n\u003cp\u003eA circlip deforms when it is removed: always fit new ones every time the piston is taken apart. Sold individually: each piston needs 2, so add 2 pieces to your cart.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TM Kart\u003c\/li\u003e\n\u003cli\u003eTM code: 09004\u003c\/li\u003e\n\u003cli\u003eFor 15 mm piston pins\u003c\/li\u003e\n\u003cli\u003eSold individually (2 per piston)\u003c\/li\u003e\n\u003cli\u003eEngines: TM KZ R3, KZ R2, KZ R1 and all 125cc KZ engines with a 15 mm piston pin\u003c\/li\u003e\n\u003cli\u003ePrices include VAT\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TM Kart","offers":[{"title":"Default Title","offer_id":55310052720977,"sku":"09004","price":0.6,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/4828\/2193\/files\/tm-kz-125cc-piston-pin-circlip-15mm.jpg?v=1792011290"},{"product_id":"tm-kz-125cc-piston-pin-15mm-vertex","title":"TM KZ 125cc 15 mm Vertex Piston Pin","description":"\u003cp\u003e15 mm piston pin for 125cc KZ engine pistons, a genuine TM Kart spare part made by Vertex. It connects the piston to the connecting rod, running inside the needle roller cage of the small end: it must be perfectly smooth and free of wear marks.\u003c\/p\u003e\n\u003cp\u003eReplace it when it shows scoring, discolouration from overheating or play in the cage. When fitting it, always use new circlips and check the condition of the needle roller cage: you will find both among the TM piston spare parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TM Kart (made by Vertex)\u003c\/li\u003e\n\u003cli\u003eTM code: 09000\u003c\/li\u003e\n\u003cli\u003eDiameter: 15 mm\u003c\/li\u003e\n\u003cli\u003eEngines: TM KZ R3, KZ R2, KZ R1 and 125cc KZ pistons with a 15 mm pin\u003c\/li\u003e\n\u003cli\u003ePrices include VAT\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TM Kart","offers":[{"title":"Default Title","offer_id":55310052753745,"sku":"09000","price":6.92,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/4828\/2193\/files\/tm-kz-125cc-piston-pin-15mm-vertex.jpg?v=1792011295"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/4828\/2193\/collections\/kc-cat-tm-kz-r1-pistoni-mv6ilrlk.png?v=1791885915","url":"https:\/\/kartcommerce.com\/collections\/tm-motori-ricambi-kz-r1-pistoni.oembed","provider":"KartCommerce","version":"1.0","type":"link"}