{"product_id":"wossner-0910-4925-8559da-piston-kit-for-4-stroke-piston-kit-76-96-mm-yamaha-8559da","title":"Wossner Premium Series Piston Kit - 8559DA Yamaha WR 250 \/ YZ 250 2001-2013","description":"\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEnhanced piston pin oiling slots, radial boss machining, and annular grooves for improved wrist pin lubrication\u003c\/li\u003e\n\u003cli\u003eLightweight piston with a tight piston wall clearance for a quieter running engine\u003c\/li\u003e\n\u003cli\u003eSkirt coated for reduced friction and improved break in performance\u003c\/li\u003e\n\u003cli\u003eRing land treatment for improved ring seal and oil control\u003c\/li\u003e\n\u003cli\u003eDouble bridged forging design where noted\u003c\/li\u003e\n\u003cli\u003eKit includes piston, rings, wrist pin and pin locks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003ePremium Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompression Ratio\u003c\/td\u003e\n\u003ctd\u003e12.5:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Type\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiston Material\u003c\/td\u003e\n\u003ctd\u003eAluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRiding Style\u003c\/td\u003e\n\u003ctd\u003eOff-Road\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore - Oversize\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003ePiston Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore Size\u003c\/td\u003e\n\u003ctd\u003e77.00 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore - Oversize\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiston Material\u003c\/td\u003e\n\u003ctd\u003eForged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStroke Length\u003c\/td\u003e\n\u003ctd\u003e53.60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStyle\u003c\/td\u003e\n\u003ctd\u003eStandard Size A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnits\u003c\/td\u003e\n\u003ctd\u003eKit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiston Size\u003c\/td\u003e\n\u003ctd\u003e76.96 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\n\u003ch2\u003ePart Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDouble bridge forging.\u003c\/li\u003e\n\u003cli\u003eKit Includes:\u003c\/li\u003e\n\u003cli\u003e• Piston #8559DA\u003c\/li\u003e\n\u003cli\u003e• Ring Set #RIK77.00D3\u003c\/li\u003e\n\u003cli\u003e• Wrist Pin #WP070-SP\u003c\/li\u003e\n\u003cli\u003e• Retaining Clips #CW16\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2001-2013\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eWR 250 F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2001-2004\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ 250 F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cbr\u003e\u003ch3\u003eFitment Disclosure\u003c\/h3\u003e\u003csmall\u003eThis quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and\/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.\u003c\/small\u003e","brand":"WOSSNER","offers":[{"title":"Default Title","offer_id":46508060803289,"sku":"0910-4925","price":184.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0577\/0421\/8799\/files\/21C8173F-C3CD-4EF3-B63D-A68B2D85D681.jpg?v=1743026862","url":"https:\/\/spazcycle.com\/products\/wossner-0910-4925-8559da-piston-kit-for-4-stroke-piston-kit-76-96-mm-yamaha-8559da","provider":"SpazCycle","version":"1.0","type":"link"}