{"product_id":"moto-ski-mirage-i-ii-iie-iii-377-cc-040-over-pistons-pair-for-moto-ski-1980","title":"Moto-Ski Mirage I II IIE III 377 cc .040 Over Pistons Pair for Moto-Ski 1980","description":"\u003ch2\u003e.040 Over Pistons - Pair for Moto-Ski Mirage I, II, IIE, III\u003c\/h2\u003e\u003cp\u003eThese .040 over pistons are replacement engine components sized for 377 cc applications, built for top end rebuilds on for Moto-Ski Mirage snowmobiles with a bored-over cylinder.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis pair of .040 over pistons is a rebuild component sized for 377 cc engines used in for Moto-Ski Mirage I, II, IIE, and III snowmobiles from 1980 through 1985. When a cylinder is scored or out of round, boring it oversize and fitting matching pistons brings the top end back into spec. They suit riders and mechanics refreshing a vintage for Moto-Ski Mirage.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e.040 inch oversize sizing to match a rebored cylinder\u003c\/li\u003e\n\u003cli\u003eSold as a matched pair for complete top end service\u003c\/li\u003e\n\u003cli\u003eAluminum piston body with ring lands cut to oversize spec\u003c\/li\u003e\n\u003cli\u003eDesigned around the 377 cc displacement used in these models\u003c\/li\u003e\n\u003cli\u003eSuited to two-stroke snowmobile top end rebuilds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Moto-Ski Mirage I\u003c\/li\u003e\n\u003cli\u003efor Moto-Ski Mirage II\u003c\/li\u003e\n\u003cli\u003efor Moto-Ski Mirage IIE\u003c\/li\u003e\n\u003cli\u003efor Moto-Ski Mirage III\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop end rebuild on a snowmobile with a worn or scored cylinder\u003c\/li\u003e\n\u003cli\u003eFreshening compression on a vintage rider before the season\u003c\/li\u003e\n\u003cli\u003eShop or garage overhaul of an older two-stroke engine\u003c\/li\u003e\n\u003cli\u003eRestoring a machine with a previously bored-over cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.040 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplacement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e377 cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePair of pistons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication Years\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1980 to 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 Do I need a .040 over piston? \u003cstrong\u003eA:\u003c\/strong\u003e Only if your cylinder has been bored .040 inch oversize. Measure the bore and clearance before ordering, and confirm the piston matches your machining.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What else should be replaced during a rebuild? \u003cstrong\u003eA:\u003c\/strong\u003e Pistons and rings alone may not be enough. Check bore condition, wrist pins, bearings, and cylinder plating or honing before 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":51146791551062,"sku":"OO1C27327","price":158.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_f9fa2f1a-8236-44f5-ba74-2964e1b16281.jpg?v=1794568800","url":"https:\/\/www.solidspare.com\/products\/moto-ski-mirage-i-ii-iie-iii-377-cc-040-over-pistons-pair-for-moto-ski-1980","provider":"Solid Spare","version":"1.0","type":"link"}