{"product_id":"485m07100-piston-kit-040-for-suzuki-rm250-1982-1985-71-00-mm","title":"485M07100 Piston Kit .040 for Suzuki RM250 1982-1985 71.00 mm","description":"\u003ch2\u003ePiston Kit for Suzuki RM250\u003c\/h2\u003e\u003cp\u003eThis Wiseco 485M07100 piston kit is a 0.040 oversize replacement assembly sized at 71.00 mm for the Suzuki RM250, giving a worn top end a fresh bore match.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis piston kit is a top end rebuild assembly for the Suzuki RM250, sized 71.00 mm at 0.040 oversize. It replaces the worn piston in the cylinder and works with the matching bore size to restore compression and sealing. Built for riders rebuilding a two-stroke motocross top end at home or in a shop.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e0.040 oversize sizing at 71.00 mm for a rebored or refreshed cylinder\u003c\/li\u003e\n\u003cli\u003eForged piston construction for strength under high rpm loads\u003c\/li\u003e\n\u003cli\u003eKit format that includes the piston and matching components\u003c\/li\u003e\n\u003cli\u003eSized to the RM250 top end for a direct fit on the specified bore\u003c\/li\u003e\n\u003cli\u003eIntended for two-stroke motocross use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Suzuki RM250, 1982\u003c\/li\u003e\n\u003cli\u003efor Suzuki RM250, 1983\u003c\/li\u003e\n\u003cli\u003efor Suzuki RM250, 1984\u003c\/li\u003e\n\u003cli\u003efor Suzuki RM250, 1985\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop end rebuilds after a piston seizure or worn ring\u003c\/li\u003e\n\u003cli\u003eRoutine motocross engine refresh at the end of a season\u003c\/li\u003e\n\u003cli\u003eCylinder rebore jobs matched to a 0.040 oversize piston\u003c\/li\u003e\n\u003cli\u003eRestoring compression on a tired Suzuki RM250 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\u003e485M07100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.040\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e71.00 mm\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, 1982-1985\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 Does this piston kit require boring the cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e This is a 0.040 oversize kit, so the cylinder must be bored or honed to suit the 71.00 mm piston before assembly. Confirm your bore size and piston clearance before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What else should be replaced during this job? \u003cstrong\u003eA:\u003c\/strong\u003e A top end rebuild with this piston kit typically calls for a fresh ring, pin, and bearing, plus a new gasket set. Check the cylinder plating and clearance to the piston before reassembly.\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":51140406378582,"sku":"OO1C22788","price":435.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_ea02a67c-6b16-4d33-89b0-26d14886cc23.jpg?v=1794566069","url":"https:\/\/www.solidspare.com\/products\/485m07100-piston-kit-040-for-suzuki-rm250-1982-1985-71-00-mm","provider":"Solid Spare","version":"1.0","type":"link"}