{"product_id":"790m08400-wiseco-piston-for-yamaha-wave-runner-xl700-84mm-120","title":"790M08400 Wiseco Piston for Yamaha Wave Runner XL700 84mm .120","description":"\u003ch2\u003eWiseco .120 Overbore Piston for Yamaha Wave Runner XL700\u003c\/h2\u003e\u003cp\u003eThis Wiseco .120 overbore piston, part numbers 790M08400, is an 84 mm (+3 mm) replacement piston for the Yamaha Wave Runner XL700, intended for cylinders bored to match the larger diameter.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis .120 overbore Wiseco piston for Yamaha Wave Runner XL700 personal watercraft is an 84 mm replacement built for engines that have been bored oversize. It restores compression and sealing on a rebuilt top end of a 1999 to 2004 XL700. The larger diameter suits cylinders machined to accept the +3 mm piston.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e84 mm diameter for a +3 mm overbore\u003c\/li\u003e\n\u003cli\u003eForged aluminum construction for strength under marine load\u003c\/li\u003e\n\u003cli\u003ePrecision-machined skirt and ring grooves for a dependable seal\u003c\/li\u003e\n\u003cli\u003eWiseco part number 790M08400 for straightforward cross-reference\u003c\/li\u003e\n\u003cli\u003eDesigned for rebuilt two-stroke top ends\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha Wave Runner XL700, 1999-2004\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds on a cylinder bored to 84 mm\u003c\/li\u003e\n\u003cli\u003eRefreshing a high-hours 701cc Yamaha marine engine\u003c\/li\u003e\n\u003cli\u003eReplacing a worn or damaged oversize piston\u003c\/li\u003e\n\u003cli\u003ePerformance-oriented rebuilds of the Wave Runner XL700\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 overbore)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOverbore (.120)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eForged aluminum\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 Will this piston drop into a stock cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, this is an 84 mm overbore piston, so the cylinder must be machined to match that diameter before installation. Confirm your intended bore size and piston clearance with a machinist.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this piston for both cylinders or just one? \u003cstrong\u003eA:\u003c\/strong\u003e This listing is for a single piston. Check how many cylinders you are rebuilding and order the matching quantity for your top end.\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":51139780640854,"sku":"OO1C22077","price":373.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_c6e31b20-b820-4ca8-afc6-580d1b0a369e.jpg?v=1794490194","url":"https:\/\/www.solidspare.com\/products\/790m08400-wiseco-piston-for-yamaha-wave-runner-xl700-84mm-120","provider":"Solid Spare","version":"1.0","type":"link"}