{"product_id":"namura-040-over-bore-piston-kit-for-yamaha-breeze-125-grizzly-125-50mm","title":"Namura .040 Over Bore Piston Kit for Yamaha Breeze 125 \u0026 Grizzly 125 50mm","description":"\u003ch2\u003e.040 Over Bore Piston Kit for Yamaha Breeze 125 \u0026amp; Grizzly 125\u003c\/h2\u003e\u003cp\u003eThis .040 over bore piston kit is designed to restore compression and performance in Yamaha Breeze 125 and Grizzly 125 engines, providing a reliable replacement for worn components.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis .040 over bore piston kit is a direct fit upgrade for Yamaha Breeze 125 and Grizzly 125 ATVs, delivering increased displacement and restored power. The kit includes the piston, rings, and pin, making it a complete solution for engine rebuilding. Carefully machined to .040 over stock size, this piston kit ensures proper cylinder wall clearance and long-lasting performance.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision cast aluminum alloy construction for durability\u003c\/li\u003e\n\u003cli\u003eIncludes piston rings and wrist pin for a complete top end rebuild\u003c\/li\u003e\n\u003cli\u003eDesigned for .040 over bore to compensate for cylinder wear\u003c\/li\u003e\n\u003cli\u003eLightweight design reduces reciprocating mass for quicker throttle response\u003c\/li\u003e\n\u003cli\u003eDirect replacement for OEM piston without modification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha Breeze 125\u003c\/li\u003e\n\u003cli\u003efor Yamaha Grizzly 125\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRestoring lost compression in high-mileage engines\u003c\/li\u003e\n\u003cli\u003eRebuilding top end for improved power and reliability\u003c\/li\u003e\n\u003cli\u003eUpgrading from standard bore to overbore for increased displacement\u003c\/li\u003e\n\u003cli\u003eMaintaining performance in utility and recreational 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\u003e50mm (.040 over)\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 in (1.016mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha Breeze 125 \/ Grizzly 125\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 kit include everything needed for installation? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit includes the piston, rings, and wrist pin; however, you may need to reuse or replace circlips depending on your build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I use this .040 over piston in a standard bore cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, the cylinder must be bored to .040 over size to accommodate this piston; a standard cylinder will require machining.\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":44890477658198,"sku":"SZ1F11515","price":131.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_9febb91d-4b49-4eb0-ab2d-1ced09c2ab7e.jpg?v=1781140164","url":"https:\/\/www.solidspare.com\/products\/namura-040-over-bore-piston-kit-for-yamaha-breeze-125-grizzly-125-50mm","provider":"Solid Spare","version":"1.0","type":"link"}