{"product_id":"namura-standard-bore-top-end-repair-kit-size-b-for-gas-gas-mc-85-2021-2024-47mm","title":"Namura Standard Bore Top End Repair Kit Size B for GAS GAS MC 85 2021-2024 47mm","description":"\u003ch2\u003eStandard Bore Top End Repair Kit Size B for GAS GAS\u003c\/h2\u003e\u003cp\u003eThis top end repair kit for GAS GAS MC 85 models includes a piston, rings, wrist pin, and circlips for a 47mm standard bore rebuild.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura Standard Bore Top End Repair Kit Size B is a complete piston and ring assembly designed to restore compression and performance in GAS GAS MC 85 dirt bikes from 2021 to 2024. This top end repair kit replaces worn components with precision‑machined parts, ensuring reliable power and durability. Riders who regularly maintain their top end will appreciate the quality and fit of this 47mm repair kit.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIncludes Namura forged piston for strength and light weight\u003c\/li\u003e\n\u003cli\u003eChrome‑moly piston ring set for consistent sealing\u003c\/li\u003e\n\u003cli\u003ePrecision‑ground wrist pin and needle bearing reduce friction\u003c\/li\u003e\n\u003cli\u003eHeat‑treated circlips secure pin in place\u003c\/li\u003e\n\u003cli\u003eStandard bore size eliminates need for cylinder boring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor GAS GAS MC 85 (2021, 2022, 2023, 2024)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn‑The‑Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMotocross and supercross racing\u003c\/li\u003e\n\u003cli\u003eOff‑road trail riding and enduro\u003c\/li\u003e\n\u003cli\u003eYouth competition and practice sessions\u003c\/li\u003e\n\u003cli\u003eEngine rebuilds during seasonal maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e47mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Bore Top End\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston, Rings, Wrist Pin, Circlips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eForged Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this kit include gaskets? \u003cstrong\u003eA:\u003c\/strong\u003e No, this top end repair kit contains only the piston, rings, pin, and circlips; gaskets must be purchased separately.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is the piston compatible with the stock cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is a standard bore size designed to fit the OEM cylinder without boring, but confirm your cylinder condition before installation.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":44949753069654,"sku":"SZ1F14121","price":197.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_c44e91e2-ac19-4cd6-a859-0c3df8e03cd2.jpg?v=1781398072","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-top-end-repair-kit-size-b-for-gas-gas-mc-85-2021-2024-47mm","provider":"Solid Spare","version":"1.0","type":"link"}