{"product_id":"hot-rods-0921-0043-4173-stroker-crankshaft-crankshaft-assembly-stroker-yamaha-4173","title":"Hot Rods 4-Cycle Crankshaft Assembly - 4173 Yamaha ATVs 2004-2009","description":"\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFactory assembled and trued to OEM specifications\u003c\/li\u003e\n\u003cli\u003eDrop in replacement crankshaft requires no modification unless noted \u003c\/li\u003e\n\u003cli\u003eCNC machined and dynamically balanced to suit the increased stroke\u003c\/li\u003e\n\u003cli\u003eAdd +2.00 mm to +4.00 mm of stroke depending on application\u003c\/li\u003e\n\u003cli\u003eUses stock piston unless noted\u003c\/li\u003e\n\u003cli\u003eMain bearings not included \u003c\/li\u003e\n\u003cli\u003eCan be matched with Cylinder Works Big Bore cylinders to get significant displacement and horsepower gains\u003c\/li\u003e\n\u003cli\u003eNot re-buildable as the rods are shorter than OEM.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003eCrankshaft Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eStroker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFeatures\u003c\/td\u003e\n\u003ctd\u003eHeavy Duty Crankshaft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnits\u003c\/td\u003e\n\u003ctd\u003eAssembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e4-Cycle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRiding Style\u003c\/td\u003e\n\u003ctd\u003eATV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplacement\u003c\/td\u003e\n\u003ctd\u003e470 cc to 471 cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStroke Length\u003c\/td\u003e\n\u003ctd\u003e66,40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStroke Length\u003c\/td\u003e\n\u003ctd\u003e66.40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e4140 Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\/Finish\u003c\/td\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\n\u003ch2\u003ePart Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eConnecting rod side clearance is 0.20 mm - 0.55 mm.\u003c\/li\u003e\n\u003cli\u003eWhen using Cylinder Works # 21001-K01 makes 500 cc.\u003c\/li\u003e\n\u003cli\u003eFinal displacement determined by application.\u003c\/li\u003e\n\u003cli\u003eUses stock piston.\u003c\/li\u003e\n\u003cli\u003eDoes not fit fuel injected R or X models.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2005\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYFZ 450 LE 4x2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2009,2012-2013\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYFZ450\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYFZ 450 SE 4x2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006-2007\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYFZ450 Bill Balance Edition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2007-2008\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYFZ450 SE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cbr\u003e\u003ch3\u003eFitment Disclosure\u003c\/h3\u003e\u003csmall\u003eThis quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and\/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.\u003c\/small\u003e","brand":"HOT RODS","offers":[{"title":"Default Title","offer_id":46508196364505,"sku":"0921-0043","price":645.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0577\/0421\/8799\/files\/3FB4A7CB-77BD-4B19-99C9-B07575407BBB.jpg?v=1743028156","url":"https:\/\/spazcycle.com\/products\/hot-rods-0921-0043-4173-stroker-crankshaft-crankshaft-assembly-stroker-yamaha-4173","provider":"SpazCycle","version":"1.0","type":"link"}