{"product_id":"wiseco-piston-kit-89-00-mm-honda-871m08900","title":"Wiseco Forged Piston Kit - 871M08900 | 1984-2001 Honda CR500R \u0026 1982-1983 CR480R (89.00 mm)","description":"\u003cp\u003eRevitalize the legendary powerplant of your classic Honda big-bore two-stroke with the \u003cb\u003eWiseco Forged Piston Kit (Part No. 0910-2022 \/ Mfr. Part No. 871M08900)\u003c\/b\u003e. Engineered to an 89.00 mm standard bore specification, this high-performance forged piston kit is designed to deliver superior structural integrity, optimal thermal conductivity, and long-lasting durability under demanding off-road and racing conditions.\u003c\/p\u003e\n\u003cp\u003eForged from high-strength aerospace aluminum using Wiseco’s advanced dedicated tooling, it ensures optimal ring sealing and compression retention throughout the RPM range.\u003c\/p\u003e\n\u003ch4\u003eVehicle Fitment\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMake\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eYear Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecific Notes \/ Displacements\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHonda\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCR500R\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1984–2001\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e79.00 mm stroke (491 cc displacement)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHonda\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCR480R\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1982–1983\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e72.00 mm stroke (472 cc displacement)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eKit Contents:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eForged Aluminum Piston (89.00 mm Bore)\u003c\/li\u003e\n\u003cli\u003ePiston Ring Set\u003c\/li\u003e\n\u003cli\u003eWrist Pin\u003c\/li\u003e\n\u003cli\u003eCirclips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTSO Tip\u003c\/h3\u003e\n\u003cp\u003eWhen installing your new piston kit, always verify end gap on the rings and check cylinder wall clearance with a precision bore gauge. Generously pre-lubricate the piston skirt, wrist pin, and ring faces with clean two-stroke premix oil prior to sliding the cylinder over to ensure protection during initial startup.\u003c\/p\u003e","brand":"WISECO","offers":[{"title":"Default Title","offer_id":54732671975703,"sku":"871M08900","price":238.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/3818\/7543\/files\/113362.png?v=1787154640","url":"https:\/\/twostrokesonly.com\/products\/wiseco-piston-kit-89-00-mm-honda-871m08900","provider":"🏁Two-Strokes Only🏁","version":"1.0","type":"link"}