{"product_id":"namura-020-over-bore-piston-kit-for-yamaha-bruin-250-fits-2005-2006-71-5mm","title":"Namura .020 Over Bore Piston Kit for Yamaha Bruin 250 fits 2005-2006 71.5mm","description":"\u003ch2\u003e.020 Over Bore Piston Kit for Yamaha Bruin 250 2005-2006 71.5mm\u003c\/h2\u003e\u003cp\u003eThis .020 over bore piston kit for Yamaha Bruin 250 models from 2005 to 2006 supplies a 71.5mm piston assembly designed to restore compression and power in worn engines. It includes rings, wrist pin, and circlips, offering a direct replacement for engines requiring a .020 oversize bore.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis .020 over bore piston kit for Yamaha Bruin 250 replaces the original piston with a 71.5mm oversized unit, allowing the cylinder to be rebored to remove scoring or wear. It is intended for owners restoring top-end performance on 2005-2006 Bruin 250 ATVs, delivering reliable operation and extended engine life.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined 71.5mm piston for .020 over bore applications\u003c\/li\u003e\n\u003cli\u003eIncludes high-strength rings, wrist pin, and circlips for a complete top-end rebuild\u003c\/li\u003e\n\u003cli\u003eCast from durable aluminum alloy for consistent thermal expansion\u003c\/li\u003e\n\u003cli\u003eDesigned to match OEM specifications for fit and clearance\u003c\/li\u003e\n\u003cli\u003eTested for reliable sealing and reduced blow-by\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha Bruin 250 (2005-2006)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRebuilding top-end after cylinder scoring or ring failure\u003c\/li\u003e\n\u003cli\u003eRestoring compression on high-mileage Bruin 250 engines\u003c\/li\u003e\n\u003cli\u003ePerforming a scheduled engine overhaul for trail or utility ATVs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e71.5mm (.020 over)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha Bruin 250 2005-2006\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Includes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston, rings, pin, circlips\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 Will this kit work with the stock cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e The cylinder must be bored to 71.5mm by a qualified shop to match this piston; the kit itself does not include a cylinder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is the piston pre-gapped for rings? \u003cstrong\u003eA:\u003c\/strong\u003e Ring end gap should be checked and adjusted per service manual specs during installation.\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":44890493845590,"sku":"SZ1F11934","price":138.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_4fa7048f-531e-41ef-a8e2-34c7d62f46e8.jpg?v=1781140713","url":"https:\/\/www.solidspare.com\/products\/namura-020-over-bore-piston-kit-for-yamaha-bruin-250-fits-2005-2006-71-5mm","provider":"Solid Spare","version":"1.0","type":"link"}