{"product_id":"namura-na-40011-4-85-45-mm-1-00-mm-piston-kit-for-yamaha-450","title":"Namura NA-40011-4 85.45 mm +1.00 mm Piston Kit for Yamaha 450","description":"Will not accept OEM rings and rings will not work on OEM piston\n\u003cp\u003eThe Namura NA-40011-4 Piston Kit is designed for select Yamaha 450 engines and provides a reliable replacement piston solution for powersports applications. This oversized 85.45 mm piston kit is intended for use with a cylinder that has been properly machined to match the piston specification. The kit is manufactured by Namura and is identified by manufacturer part number NA-40011-4.\u003c\/p\u003e\u003cp\u003eThis piston kit fits 2006–2009 Yamaha YXR450F Rhino 450 models and 2007–2008 Yamaha YFM450FG Grizzly 4WD [IRS] models, as well as 2011–2014 Yamaha YFM450FGP Grizzly 4WD EPS [IRS] models. Confirm the exact year, model, engine configuration, and cylinder specifications before installation to ensure proper compatibility.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant Fitment Note:\u003c\/strong\u003e The Namura NA-40011-4 piston will not accept OEM rings, and its rings will not work with an OEM piston. Use the ring set specified for this Namura piston and follow the applicable installation, clearance, and break-in procedures. This product is supplied as a piston kit for compatible Yamaha applications; verify included components and installation requirements before rebuilding the engine.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Namura\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: NA-40011-4\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: NA-40011-4\u003c\/li\u003e\n\u003cli\u003ePiston Size: 85.45 mm, +1.00 mm oversize\u003c\/li\u003e\n\u003cli\u003eApplication: Yamaha 450 powersports engines\u003c\/li\u003e\n\u003cli\u003eFitment: 2006–2009 Yamaha YXR450F Rhino 450\u003c\/li\u003e\n\u003cli\u003eFitment: 2007–2008 Yamaha YFM450FG Grizzly 4WD [IRS]\u003c\/li\u003e\n\u003cli\u003eFitment: 2011–2014 Yamaha YFM450FGP Grizzly 4WD EPS [IRS]\u003c\/li\u003e\n\u003cli\u003eCompatibility Note: Does not accept OEM rings, and the supplied rings are not compatible with an OEM piston\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2003 Yamaha YFM450FA Kodiak 4WD [IRS]\u003cbr\u003e\n2004 Yamaha YFM450FA Kodiak 4WD [IRS]\u003cbr\u003e\n2005 Yamaha YFM450FA Kodiak 4WD [IRS]\u003cbr\u003e\n2006 Yamaha YFM450FA Kodiak 4WD [IRS]\u003cbr\u003e\n2006 Yamaha YFM450FX Wolverine 4WD [SRA]\u003cbr\u003e\n2006 Yamaha YXR450F Rhino 450\u003cbr\u003e\n2007 Yamaha YFM450FG Grizzly 4WD [IRS]\u003cbr\u003e\n2007 Yamaha YFM450FX Wolverine 4WD [SRA]\u003cbr\u003e\n2007 Yamaha YXR450F Rhino 450\u003cbr\u003e\n2008 Yamaha YFM450FG Grizzly 4WD [IRS]\u003cbr\u003e\n2008 Yamaha YFM450FX Wolverine 4WD [SRA]\u003cbr\u003e\n2008 Yamaha YXR450F Rhino 450\u003cbr\u003e\n2009 Yamaha YFM450FG Grizzly 4WD [IRS]\u003cbr\u003e\n2009 Yamaha YFM450FX Wolverine 4WD [SRA]\u003cbr\u003e\n2009 Yamaha YXR450F Rhino 450\u003cbr\u003e\n2010 Yamaha YFM450FG Grizzly 4WD [IRS]\u003cbr\u003e\n2010 Yamaha YFM450FX Wolverine 4WD [SRA]\u003cbr\u003e\n2011 Yamaha YFM450FG Grizzly 4WD [IRS]\u003cbr\u003e\n2011 Yamaha YFM450FGP Grizzly 4WD EPS [IRS]\u003cbr\u003e\n2012 Yamaha YFM450FG Grizzly 4WD [IRS]\u003cbr\u003e\n2012 Yamaha YFM450FGP Grizzly 4WD EPS [IRS]\u003cbr\u003e\n2013 Yamaha YFM450FG Grizzly 4WD [IRS]\u003cbr\u003e\n2013 Yamaha YFM450FGP Grizzly 4WD EPS [IRS]\u003cbr\u003e\n2014 Yamaha YFM450FG Grizzly 4WD [IRS]\u003cbr\u003e\n2014 Yamaha YFM450FGP Grizzly 4WD EPS [IRS]\u003cbr\u003e\n2018 Yamaha YFM450FA Kodiak 4WD [IRS]\u003cbr\u003e\n2019 Yamaha YFM450FA Kodiak 4WD [IRS]\u003cbr\u003e\n2020 Yamaha YFM450FA Kodiak 4WD [IRS]","brand":"NAMURA","offers":[{"title":"Default Title","offer_id":67557722489067,"sku":"187-400114","price":125.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/9c11-5e99d2eef2ae1.jpg?v=1790755138","url":"https:\/\/ctracingservices.com\/products\/namura-na-40011-4-85-45-mm-1-00-mm-piston-kit-for-yamaha-450","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}