{"product_id":"234m07000-wiseco-std-piston-kit-for-yamaha-yz250-1976-1979-70-00-mm","title":"234M07000 Wiseco Std Piston Kit for Yamaha YZ250 1976-1979 70.00 mm","description":"\u003ch2\u003eWiseco Std Piston Kit for Yamaha YZ250\u003c\/h2\u003e\u003cp\u003eThis Wiseco standard bore piston kit for Yamaha YZ250 models restores top end compression with a 70.00 mm piston, cross-referenced to part 234M07000.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco Std Piston Kit for Yamaha YZ250 is a standard bore top end replacement built to bring compression and power back to a worn engine. The 70.00 mm piston kit matches the original bore size, making it a straightforward rebuild choice for riders and mechanics working on the YZ250. Each kit is referenced to Wiseco part 234M07000 for confident ordering.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e70.00 mm standard bore size matches the original cylinder diameter\u003c\/li\u003e\n\u003cli\u003eForged piston construction for strength under high rpm loads\u003c\/li\u003e\n\u003cli\u003eKit includes piston, rings, wrist pin, and circlips for a complete top end refresh\u003c\/li\u003e\n\u003cli\u003eCross-reference 234M07000 simplifies parts lookup and ordering\u003c\/li\u003e\n\u003cli\u003eDesigned for the Yamaha YZ250 two-stroke engine platform\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha YZ250 1976\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ250 1977\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ250 1978\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ250 1979\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop end rebuilds after piston wear or seizure\u003c\/li\u003e\n\u003cli\u003eRoutine motocross engine maintenance\u003c\/li\u003e\n\u003cli\u003eRestoring compression on a tired YZ250 engine\u003c\/li\u003e\n\u003cli\u003eOff-road and trail bike repair work\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e234M07000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70.00 mm standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eForged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTwo-stroke\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 fit a standard bore YZ250 cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the 70.00 mm piston is sized for the standard bore, so confirm your cylinder has not been overbored before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is included in the kit? \u003cstrong\u003eA:\u003c\/strong\u003e The kit supplies the piston along with the matching rings, wrist pin, and circlips needed for a top end rebuild.\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":51140042489942,"sku":"OO1C22484","price":417.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_96251b60-822c-4a99-ab8f-fcffb338eb7e.jpg?v=1794565912","url":"https:\/\/www.solidspare.com\/products\/234m07000-wiseco-std-piston-kit-for-yamaha-yz250-1976-1979-70-00-mm","provider":"Solid Spare","version":"1.0","type":"link"}