{"product_id":"namura-040-over-bore-piston-kit-for-yamaha-timberwolf-250-fits-1992-2000-72mm","title":"Namura .040 Over Bore Piston Kit for Yamaha Timberwolf 250 fits 1992-2000 72mm","description":"\u003ch2\u003e.040 Over Bore Piston Kit for Yamaha\u003c\/h2\u003e\u003cp\u003eThis Namura .040 Over Bore Piston Kit is a replacement piston assembly for Yamaha Timberwolf 250 models from 1992 to 2000, featuring a 72mm bore size.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura .040 Over Bore Piston Kit is designed to restore compression and performance in Yamaha Timberwolf 250 engines needing an oversize rebuild. This aftermarket kit includes a precision-machined piston, rings, and wrist pin for a complete top-end overhaul. It is an excellent choice for ATV owners looking to refresh their engine after wear or damage.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e72mm bore diameter for .040 oversize application\u003c\/li\u003e\n\u003cli\u003eHigh-strength aluminum alloy piston construction\u003c\/li\u003e\n\u003cli\u003eIncludes premium piston rings for optimal sealing\u003c\/li\u003e\n\u003cli\u003ePrecision wrist pin with circlips included\u003c\/li\u003e\n\u003cli\u003eDesigned to match original equipment compression specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha Timberwolf 250 (1992-2000)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRebuilding top end of Yamaha Timberwolf 250 engine\u003c\/li\u003e\n\u003cli\u003eReplacing worn piston after high mileage or damage\u003c\/li\u003e\n\u003cli\u003eRestoring lost power and compression in ATV engine\u003c\/li\u003e\n\u003cli\u003ePerforming a .040 overbore to clean up cylinder wear\u003c\/li\u003e\n\u003cli\u003eUpgrading to a fresh piston during engine overhaul\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\u003e72mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.040\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha Timberwolf 250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1992-2000\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 Do I need to bore my cylinder for this .040 over piston kit? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the cylinder must be bored to .040 over the original diameter to match this piston.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does the kit include a cylinder head gasket? \u003cstrong\u003eA:\u003c\/strong\u003e No, the kit includes only the piston, rings, and wrist pin. Gaskets must be purchased separately.\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":44890492698710,"sku":"SZ1F11906","price":138.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_161dbfdb-5974-43b7-b91c-044c8cd2e803.jpg?v=1781140678","url":"https:\/\/www.solidspare.com\/products\/namura-040-over-bore-piston-kit-for-yamaha-timberwolf-250-fits-1992-2000-72mm","provider":"Solid Spare","version":"1.0","type":"link"}