{"product_id":"crankshaft-bottom-kit-03-13-wrf250-wiseco-wpc141-yamaha","title":"CRANKSHAFT BOTTOM KIT 03-13 WRF250, WISECO WPC141 YAMAHA","description":"\u003cp\u003e\u003cspan style=\"text-decoration:\" underline font-size: small\u003e\u003cstrong\u003eYAMAHA \u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:\" small\u003eWR250 2003 - 2013,\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eWiseco Crankshaft w\/Bearing and Gaskets - WPC141\u003c\/p\u003e \u003cp\u003ePrecision-trued to OEM specifications and factory assembled Connecting rods are double-forged to maintain superior dimensional consistency through improved grain flow Shot-peening eliminates residual stresses and smoothly blends the rod forging surfaces Corrosion-resistant surface treatment Top and bottom end rod bores case hardened to 58-62 RC to optimize bearing running surface Crank pin bearing radial running clearance is optimized to ensure maximum performance Precision honing ensures ultra-round bearing surface Precision-engineered oiling slots maximize rod strength and bearing life Double-drilled small ends provide the piston pin with extra lubrication and cooling, reducing distortion of top end due to thermal transfer from the piston Silver-coated bronze phosphor thrust washers with dimpled design increase oil retention and reduce friction between rod and washer interface Crank pin bearings are manufactured with the highest-quality hot-rolled steel -- case hardened to 58-62 RC\u003c\/p\u003e \u003cp\u003ePart No. 56-225.WI.CBK \/   56-225.WI.WR250 (oro2u.com)\u003c\/p\u003e","brand":"ORO2U","offers":[{"title":"Default Title","offer_id":57125478793589,"sku":"56-225.WI.CBK","price":606.08,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5011\/6136\/files\/56-225-wi-cbk.jpg?v=1777857637","url":"https:\/\/www.smxoffroad.com\/products\/crankshaft-bottom-kit-03-13-wrf250-wiseco-wpc141-yamaha","provider":"SMXOFFROAD Ltd","version":"1.0","type":"link"}