{"product_id":"790m08400-120-piston-84mm-3mm-for-yamaha-wave-runner-iii-gp-700-1994-97","title":"790M08400 .120 Piston 84mm +3mm for Yamaha Wave Runner III GP 700 1994-97","description":"\u003ch2\u003eOversize Piston for Yamaha Wave Runner III GP 700\u003c\/h2\u003e\u003cp\u003eThis Wiseco oversize piston with part numbers 790M08400 and a 84 mm bore, +3 mm over standard, replaces worn pistons in 1994-1997 Yamaha Wave Runner III GP 700 watercraft engines after cylinder boring.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis .120 oversize piston for Yamaha Wave Runner III GP 700 restores compression and power on engines that have been bored to 84 mm. The +3 mm piston for Yamaha Wave Runner III GP 700 is intended for rebuilds where cylinder wear requires an oversize bore to clean up the walls. Riders and mechanics use this piston to bring tired 700cc watercraft engines back to life.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e84 mm bore, +3 mm over standard, .120 oversize\u003c\/li\u003e\n\u003cli\u003eManufactured by Wiseco with part numbers 790M08400\u003c\/li\u003e\n\u003cli\u003eForged construction for strength and heat resistance\u003c\/li\u003e\n\u003cli\u003eRequires cylinder boring to match oversize diameter\u003c\/li\u003e\n\u003cli\u003eDesigned for two-stroke 700cc Yamaha watercraft engines\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 rebuilds where cylinder wear requires oversize boring\u003c\/li\u003e\n\u003cli\u003eRestoring compression on high-hour 700cc watercraft engines\u003c\/li\u003e\n\u003cli\u003eCylinder cleanup after damage or scoring\u003c\/li\u003e\n\u003cli\u003ePiston replacement during a full engine refresh\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\u003e790M08400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e84 mm, +3 mm over standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWiseco\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOversize piston\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 drop into a stock cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, this oversize piston requires the cylinder to be bored and honed to 84 mm before installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Should oversize pistons be installed in matched sets? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, when boring a cylinder, matching pistons across the top end helps maintain balanced compression and smooth operation.\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":51139793027158,"sku":"OO1C22095","price":373.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_14fe380f-fe5f-445d-b6b1-881672b2ec8e.jpg?v=1794565628","url":"https:\/\/www.solidspare.com\/products\/790m08400-120-piston-84mm-3mm-for-yamaha-wave-runner-iii-gp-700-1994-97","provider":"Solid Spare","version":"1.0","type":"link"}