{"product_id":"743m06640-wiseco-std-piston-kit-for-suzuki-rm250-1999-66-40-mm","title":"743M06640 Wiseco Std Piston Kit for Suzuki RM250 1999 66.40 mm","description":"\u003ch2\u003ePiston Kit for Suzuki RM250\u003c\/h2\u003e\u003cp\u003eThis Wiseco piston kit for Suzuki RM250 is a standard bore 66.40 mm replacement that restores compression and ring seal on the 1999 RM250 engine.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco piston kit for Suzuki RM250 is a standard bore replacement at 66.40 mm for the 1999 RM250 engine. It restores lost compression and ring seal on a cylinder that still measures within the stock bore specification. It suits riders rebuilding a worn top end who want a durable forged piston matched to the original cylinder size.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eForged piston construction for strength under high-rpm two-stroke loads\u003c\/li\u003e\n\u003cli\u003eStandard 66.40 mm bore sizing matches the original cylinder specification\u003c\/li\u003e\n\u003cli\u003eKit includes piston, rings, wrist pin, and circlips for a complete top-end rebuild\u003c\/li\u003e\n\u003cli\u003eDesigned as a direct replacement for the stock piston in the 1999 RM250 engine\u003c\/li\u003e\n\u003cli\u003eMaintains factory compression ratio when paired with a serviceable stock cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Suzuki RM250, 1999\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds on a cylinder that still measures within the stock bore\u003c\/li\u003e\n\u003cli\u003eMotocross and off-road racing where compression and reliability matter\u003c\/li\u003e\n\u003cli\u003eTrail and practice bike maintenance to refresh lost power\u003c\/li\u003e\n\u003cli\u003eRefreshing ring seal and piston wear on a high-hour engine\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\u003e743M06640\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e66.40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMachine Fitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Suzuki RM250, 1999\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 kit be installed in a worn cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e This standard bore piston requires the cylinder to still measure within the factory 66.40 mm specification. Measure bore wear and taper before ordering, since a worn cylinder may need boring to an oversize piston instead.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is included in the kit? \u003cstrong\u003eA:\u003c\/strong\u003e This kit ships with the piston, rings, wrist pin, and circlips needed for a top-end rebuild. Always check ring end gap and piston-to-wall clearance during assembly.\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":51140227235926,"sku":"OO1C22731","price":411.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_4c314d6e-6497-494a-9dca-6f96c2e2a809.jpg?v=1794566082","url":"https:\/\/www.solidspare.com\/products\/743m06640-wiseco-std-piston-kit-for-suzuki-rm250-1999-66-40-mm","provider":"Solid Spare","version":"1.0","type":"link"}