{"product_id":"557m05500-wiseco-piston-kit-for-suzuki-rm125-1987-55-00-mm","title":"557M05500 Wiseco Piston Kit for Suzuki RM125 1987 55.00 mm","description":"\u003ch2\u003ePiston Kit for Wiseco 557M05500 .040 for RM125\u003c\/h2\u003e\u003cp\u003eThis Wiseco 557M05500 .040 piston kit is an oversized 55.00 mm top-end assembly that restores compression and power in a 1987 RM125 engine.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco 557M05500 .040 piston kit gives a 1987 RM125 a fresh oversized top end at 55.00 mm. The kit pairs a forged piston with rings, wrist pin, and circlips so the cylinder can be bored to match and rebuilt in one job. It suits riders and mechanics reviving a worn two-stroke motocross engine.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eForged piston construction for strength under high rpm\u003c\/li\u003e\n\u003cli\u003eOversized 55.00 mm bore size for a rebored cylinder\u003c\/li\u003e\n\u003cli\u003e.040 oversize step from the standard bore\u003c\/li\u003e\n\u003cli\u003eRings, wrist pin, and circlips included for a complete top-end refresh\u003c\/li\u003e\n\u003cli\u003eDesigned to match Wiseco 557M05500 piston kit specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Suzuki RM125, 1987\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds after cylinder wear or seizure\u003c\/li\u003e\n\u003cli\u003eMotocross and off-road engine refreshes\u003c\/li\u003e\n\u003cli\u003eBored-over cylinders needing an oversized piston\u003c\/li\u003e\n\u003cli\u003eRace prep and seasonal engine maintenance\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\u003e557M05500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e55.00 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\u003eMachine Fitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Suzuki RM125, 1987\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 fit a standard bore cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, this is a .040 oversize piston at 55.00 mm, so the cylinder must be bored to match before installation. Confirm your current bore size before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is included in the kit? \u003cstrong\u003eA:\u003c\/strong\u003e The kit includes the 55.00 mm piston along with the rings, wrist pin, and circlips needed for a top-end rebuild. Check the listing contents for the exact included components.\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":51140249616470,"sku":"OO1C22754","price":323.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_fab420fa-a1df-4618-85f2-06b3afab9e71.jpg?v=1794491180","url":"https:\/\/www.solidspare.com\/products\/557m05500-wiseco-piston-kit-for-suzuki-rm125-1987-55-00-mm","provider":"Solid Spare","version":"1.0","type":"link"}