{"product_id":"namura-060-over-bore-top-end-repair-kit-for-yamaha-yz250-1999-2001-67-9mm","title":"Namura .060 Over Bore Top End Repair Kit for Yamaha YZ250 1999-2001 67.9mm","description":"\u003ch2\u003eNamura .060 Over Bore Top End Repair Kit for Yamaha YZ250\u003c\/h2\u003e\u003cp\u003eThis Namura .060 over bore top end repair kit provides replacement piston, rings, wrist pin, and gaskets to restore compression and performance on Yamaha YZ250 models from 1999 to 2001.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura .060 over bore top end repair kit is a complete overhaul solution for the cylinder on Yamaha YZ250 two-stroke engines. It includes a precision-machined piston and ring set tailored to the 67.9mm bore size. This kit is ideal for riders restoring power to their 1999-2001 YZ250.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIncludes piston, rings, wrist pin, circlips, and top-end gaskets\u003c\/li\u003e\n\u003cli\u003e.060 over bore size for refreshed cylinder clearance\u003c\/li\u003e\n\u003cli\u003eHeat-treated steel rings for consistent sealing\u003c\/li\u003e\n\u003cli\u003eDirect replacement design for YZ250 1999-2001\u003c\/li\u003e\n\u003cli\u003eNamura quality construction meets OEM specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha YZ250 1999\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ250 2000\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ250 2001\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMotocross racing\u003c\/li\u003e\n\u003cli\u003eTrail riding\u003c\/li\u003e\n\u003cli\u003eEnduro competition\u003c\/li\u003e\n\u003cli\u003eTrack day practice\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNamura\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e67.9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.060 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha YZ250 (1999-2001)\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 everything needed for a top-end rebuild? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, it contains piston, rings, wrist pin, circlips, and all required gaskets for a complete replacement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I reuse the cylinder after installing this over bore kit? \u003cstrong\u003eA:\u003c\/strong\u003e The cylinder must be bored or honed to the matching .060 over size before installation for proper clearance.\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":44949739798614,"sku":"SZ1F13705","price":175.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_32ac7082-acd7-478c-bcb3-63f92c08b348.jpg?v=1781397553","url":"https:\/\/www.solidspare.com\/products\/namura-060-over-bore-top-end-repair-kit-for-yamaha-yz250-1999-2001-67-9mm","provider":"Solid Spare","version":"1.0","type":"link"}