{"product_id":"namura-standard-bore-top-end-repair-kit-size-b-for-yamaha-yz450fx-2024-2025-97mm","title":"Namura Standard Bore Top End Repair Kit Size B for Yamaha YZ450FX 2024-2025 97mm","description":"\u003ch2\u003eStandard Bore Top End Repair Kit Size B 97mm for Yamaha YZ450FX 2024-2025\u003c\/h2\u003e\u003cp\u003eThis top end repair kit provides a replacement piston, rings, gaskets, and seals for restoring compression and performance in Yamaha YZ450FX motorcycles from 2024 to 2025.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura Standard Bore Top End Repair Kit Size B is designed for Yamaha YZ450FX models, offering a 97mm bore with size B piston clearance. It includes all components needed to rebuild the top end, ensuring reliable operation and extended engine life. This kit is intended for riders seeking a cost-effective, high-quality replacement.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined 97mm piston with size B clearance for optimal cylinder fit\u003c\/li\u003e\n\u003cli\u003eIncludes complete gasket set for a leak-free seal\u003c\/li\u003e\n\u003cli\u003eHigh-strength wrist pin and circlips for secure assembly\u003c\/li\u003e\n\u003cli\u003eDurable piston rings designed for reduced blow-by and long service life\u003c\/li\u003e\n\u003cli\u003eKit contains everything needed for a full top end rebuild\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha YZ450FX 2024\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ450FX 2025\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSuitable for off-road racing and trail riding\u003c\/li\u003e\n\u003cli\u003eCommonly used during routine top end maintenance\u003c\/li\u003e\n\u003cli\u003eRestores lost compression and power\u003c\/li\u003e\n\u003cli\u003eApplied by DIY mechanics and professional shops alike\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\u003e97mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSize B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTop End Repair Kit\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 Is this kit compatible with my specific serial number? \u003cstrong\u003eA:\u003c\/strong\u003e While designed for 2024-2025 YZ450FX models, slight variations may exist; we recommend verifying your cylinder bore and piston size before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this kit include the cylinder head or valves? \u003cstrong\u003eA:\u003c\/strong\u003e No, this kit covers the piston, rings, gaskets, and seals; the cylinder head and valve train are not included.\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":44949899837526,"sku":"SZ1F16104","price":373.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_9d4fb3b8-106c-4950-bdb4-068ad8db5532.jpg?v=1781401172","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-top-end-repair-kit-size-b-for-yamaha-yz450fx-2024-2025-97mm","provider":"Solid Spare","version":"1.0","type":"link"}