{"product_id":"hot-rods-0921-0220-4199-stroker-crankshaft-crankshaft-assembly-stroker-yamaha-4199","title":"Hot Rods 4-Cycle Crankshaft Assembly - 4199 Yamaha WR 250 2008-2018","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\u003eColor\/Finish\u003c\/td\u003e\n\u003ctd\u003eSteel\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\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e4140 Steel\u003c\/td\u003e\n\u003c\/tr\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003e4-Cycle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStroke Length\u003c\/td\u003e\n\u003ctd\u003e56,60 mm\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\u003eDisplacement\u003c\/td\u003e\n\u003ctd\u003e263 cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRiding Style\u003c\/td\u003e\n\u003ctd\u003eOff-Road\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStroke Length\u003c\/td\u003e\n\u003ctd\u003e56.60 mm\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 0.30 mm - 0.60 mm.\u003c\/li\u003e\n\u003cli\u003e+3.00 mm stroke increase makes 263 cc.\u003c\/li\u003e\n\u003cli\u003eMust use Vertex stroker piston # 23610A.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"HOT RODS","offers":[{"title":"Default Title","offer_id":46504473133273,"sku":"0921-0220","price":202.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0577\/0421\/8799\/files\/8FBA6B94-F02B-4104-A363-90FEE0DD9060.jpg?v=1742969363","url":"https:\/\/spazcycle.com\/products\/hot-rods-0921-0220-4199-stroker-crankshaft-crankshaft-assembly-stroker-yamaha-4199","provider":"SpazCycle","version":"1.0","type":"link"}