{"product_id":"790m08150-020-piston-81-50mm-for-yamaha-wave-runner-iii-gp-700-1994-1997","title":"790M08150 .020 Piston 81.50mm for Yamaha Wave Runner III GP 700 1994-1997","description":"\u003ch2\u003e.020 Piston for Yamaha Wave Runner III GP 700\u003c\/h2\u003e\u003cp\u003eThis Wiseco .020 overbore piston, referenced as 790M08150, brings a 81.50mm bore to the Yamaha Wave Runner III GP 700 700cc two-stroke engine and helps restore compression on a worn top end.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis .020 piston for Yamaha Wave Runner III GP 700 watercraft is a top-end rebuild component sized at 81.50mm to clean up a lightly worn cylinder. It restores piston-to-wall clearance and compression for the 700cc engine. It suits riders and shops rebuilding a Wave Runner III GP 700 that needs a mild overbore.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e81.50mm bore size matches a .020 overbore finished cylinder\u003c\/li\u003e\n\u003cli\u003eWiseco forged piston construction for strength under two-stroke heat and load\u003c\/li\u003e\n\u003cli\u003eSingle piston format for replacing one damaged or worn piston\u003c\/li\u003e\n\u003cli\u003eOversize sizing restores compression lost to cylinder wear\u003c\/li\u003e\n\u003cli\u003eSuited to the 700cc two-stroke powerplant in the Wave Runner III GP\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha Wave Runner III GP 700 1994\u003c\/li\u003e\n\u003cli\u003efor Yamaha Wave Runner III GP 700 1995\u003c\/li\u003e\n\u003cli\u003efor Yamaha Wave Runner III GP 700 1996\u003c\/li\u003e\n\u003cli\u003efor Yamaha Wave Runner III GP 700 1997\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuild after a seizure or lean condition\u003c\/li\u003e\n\u003cli\u003eCylinder rebore and hone service work\u003c\/li\u003e\n\u003cli\u003eFreshwater and saltwater personal watercraft use\u003c\/li\u003e\n\u003cli\u003eSeasonal maintenance on a high-hour 700cc engine\u003c\/li\u003e\n\u003cli\u003eRecreational riding and race prep builds\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\u003e790M08150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e81.50mm (.020 oversize)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWiseco forged piston\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha Wave Runner III GP 700, 1994-1997\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 piston fit a standard bore cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, this is a .020 oversize piston meant for a cylinder bored and honed to 81.50mm, so the cylinder must be machined to match before installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to check clearance before fitting it? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, always measure piston-to-wall clearance against the piston manufacturer's spec and verify jetting after 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":51139795320918,"sku":"OO1C22099","price":351.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_8386c801-30d9-4f72-9e13-310518112032.jpg?v=1794565638","url":"https:\/\/www.solidspare.com\/products\/790m08150-020-piston-81-50mm-for-yamaha-wave-runner-iii-gp-700-1994-1997","provider":"Solid Spare","version":"1.0","type":"link"}