{"product_id":"645m04850-wiseco-040-piston-kit-for-suzuki-rm80-1991-2001-48-50-mm","title":"645M04850 Wiseco .040 Piston Kit for Suzuki RM80 1991-2001 48.50 mm","description":"\u003ch2\u003ePiston Kit for Wiseco 645M04850 .040 for Suzuki RM80\u003c\/h2\u003e\u003cp\u003eThis Wiseco 645M04850 .040 piston kit is a 48.50 mm oversize piston assembly built for Suzuki RM80 models from 1991 through 2001, bringing compression back to a freshly bored two-stroke top end.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Wiseco 645M04850 .040 piston kit provides Suzuki RM80 owners a 48.50 mm oversize top-end option for cylinders that have been cleaned up past stock bore. This piston kit bundles the piston with rings, wrist pin, and circlips so the rebuild stays straightforward. It fits 1991 to 2001 RM80 machines and matches Wiseco part number 645M04850 for riders and mechanics doing their own top-end work.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eForged piston body built to handle two-stroke heat and cylinder pressure\u003c\/li\u003e\n\u003cli\u003e48.50 mm oversize diameter, a .040 inch step over stock bore\u003c\/li\u003e\n\u003cli\u003eComplete kit with piston, rings, wrist pin, and circlips\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring lands and skirt for consistent sealing\u003c\/li\u003e\n\u003cli\u003eDirect replacement for the 645M04850 part number\u003c\/li\u003e\n\u003cli\u003eSized for cylinders already bored to match the 48.50 mm piston\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Suzuki RM80 1991\u003c\/li\u003e\n\u003cli\u003efor Suzuki RM80 1992\u003c\/li\u003e\n\u003cli\u003efor Suzuki RM80 1993\u003c\/li\u003e\n\u003cli\u003efor Suzuki RM80 1994\u003c\/li\u003e\n\u003cli\u003efor Suzuki RM80 1995\u003c\/li\u003e\n\u003cli\u003efor Suzuki RM80 1996\u003c\/li\u003e\n\u003cli\u003efor Suzuki RM80 1997\u003c\/li\u003e\n\u003cli\u003efor Suzuki RM80 1998\u003c\/li\u003e\n\u003cli\u003efor Suzuki RM80 1999\u003c\/li\u003e\n\u003cli\u003efor Suzuki RM80 2000\u003c\/li\u003e\n\u003cli\u003efor Suzuki RM80 2001\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds on an RM80 cylinder bored to 48.50 mm\u003c\/li\u003e\n\u003cli\u003eMotocross and off-road riding after a compression loss\u003c\/li\u003e\n\u003cli\u003eSeasonal race engine refreshes\u003c\/li\u003e\n\u003cli\u003eBringing a 1991 to 2001 RM80 project back to life\u003c\/li\u003e\n\u003cli\u003eShop work where the cylinder has already been machined to size\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\u003e645M04850\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.040\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Suzuki RM80, 1991-2001\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 Can this piston go into a stock RM80 cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, this 48.50 mm piston is a .040 oversize and the cylinder must be bored and honed to match before it will fit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this a full top-end kit? \u003cstrong\u003eA:\u003c\/strong\u003e The kit arrives as a complete piston assembly with rings, wrist pin, and circlips for a one-shot 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":51140232904790,"sku":"OO1C22737","price":285.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_c3a3bc4b-4d0a-4db7-b200-27530b103eb5.jpg?v=1794491148","url":"https:\/\/www.solidspare.com\/products\/645m04850-wiseco-040-piston-kit-for-suzuki-rm80-1991-2001-48-50-mm","provider":"Solid Spare","version":"1.0","type":"link"}