{"product_id":"namura-na-40019-4k-top-end-repair-kit-for-2004-2013-yamaha-yfm125g-grizzly","title":"NAMURA NA-40019-4K Top End Repair Kit for 2004–2013 Yamaha YFM125G Grizzly","description":"\u003cp\u003eThe NAMURA NA-40019-4K Top End Repair Kit is designed to restore reliable engine performance on select 2004–2013 Yamaha YFM125G Grizzly [SRA] models. This complete kit includes a piston, piston rings, wrist pin, retaining clips, top-end bearing, and gasket kit, providing the primary components needed for a comprehensive top-end rebuild.\u003c\/p\u003e\u003cp\u003eThe piston features MOS2 (Teflon\/Molybdenum) coated skirts applied through a rolled-on process for a durable bond. This coating helps reduce friction, improve heat transfer, and minimize the risk of cold seizures. Machined smooth heads help reflect combustion heat and reduce carbon buildup, while anodized domes improve heat resistance and durability. The hypereutectic casting process adds silicon for reduced expansion, enhanced wear resistance, and dependable performance under increased cylinder temperatures.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e This NAMURA manufacturer and vendor part number NA-40019-4K kit fits 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, and 2013 Yamaha YFM125G Grizzly [SRA] models. Verify the model year and engine application before installation. Professional installation and inspection of the cylinder, crankshaft, and related components are recommended to ensure proper fit and long-term service.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComplete top-end kit includes piston, rings, wrist pin, retaining clips, top-end bearing, and gasket kit\u003c\/li\u003e\n\u003cli\u003eMOS2 Teflon\/Molybdenum coated piston skirts help reduce friction, improve heat transfer, and minimize cold-seizure risk\u003c\/li\u003e\n\u003cli\u003eMachined smooth piston heads reflect combustion heat and help reduce carbon buildup\u003c\/li\u003e\n\u003cli\u003eAnodized piston domes increase heat resistance and durability\u003c\/li\u003e\n\u003cli\u003eHypereutectic casting process provides reduced expansion, increased wear resistance, and improved high-temperature performance\u003c\/li\u003e\n\u003cli\u003eFits 2004–2013 Yamaha YFM125G Grizzly [SRA] models\u003c\/li\u003e\n\u003cli\u003eBrand: NAMURA\u003c\/li\u003e\n\u003cli\u003eManufacturer and vendor part number: NA-40019-4K\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n1989 Yamaha YFA1 Breeze 125\u003cbr\u003e\n1990 Yamaha YFA1 Breeze 125\u003cbr\u003e\n1991 Yamaha YFA1 Breeze 125\u003cbr\u003e\n1992 Yamaha YFA1 Breeze 125\u003cbr\u003e\n1993 Yamaha YFA1 Breeze 125\u003cbr\u003e\n1994 Yamaha YFA1 Breeze 125\u003cbr\u003e\n1995 Yamaha YFA1 Breeze 125\u003cbr\u003e\n1996 Yamaha YFA1 Breeze 125\u003cbr\u003e\n1997 Yamaha YFA1 Breeze 125\u003cbr\u003e\n1998 Yamaha YFA1 Breeze 125\u003cbr\u003e\n1999 Yamaha YFA1 Breeze 125\u003cbr\u003e\n2000 Yamaha YFA1 Breeze 125\u003cbr\u003e\n2001 Yamaha YFA1 Breeze 125\u003cbr\u003e\n2002 Yamaha YFA1 Breeze 125\u003cbr\u003e\n2003 Yamaha YFA1 Breeze 125\u003cbr\u003e\n2004 Yamaha YFA1 Breeze 125\u003cbr\u003e\n2004 Yamaha YFM125G Grizzly [SRA]\u003cbr\u003e\n2005 Yamaha YFM125G Grizzly [SRA]\u003cbr\u003e\n2006 Yamaha YFM125G Grizzly [SRA]\u003cbr\u003e\n2007 Yamaha YFM125G Grizzly [SRA]\u003cbr\u003e\n2008 Yamaha YFM125G Grizzly [SRA]\u003cbr\u003e\n2009 Yamaha YFM125G Grizzly [SRA]\u003cbr\u003e\n2010 Yamaha YFM125G Grizzly [SRA]\u003cbr\u003e\n2011 Yamaha YFM125G Grizzly [SRA]\u003cbr\u003e\n2012 Yamaha YFM125G Grizzly [SRA]\u003cbr\u003e\n2013 Yamaha YFM125G Grizzly [SRA]","brand":"NAMURA","offers":[{"title":"Default Title","offer_id":67558950994155,"sku":"186-40194","price":104.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/dd77-572a583cd9540_7dc9e00d-a3b7-456e-98fd-8edb9f57ff4a.jpg?v=1790769391","url":"https:\/\/ctracingservices.com\/products\/namura-na-40019-4k-top-end-repair-kit-for-2004-2013-yamaha-yfm125g-grizzly","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}