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CRANKSHAFT ASSY 02-16 YZ85 WISECO WPC123 YAMAHA

Availability: Out of stock

SKU: TL1262857

Part number: 56-178.WI

£288.76

Qty:

Part No. 56-178.WI YAMAHA YZ85 2002 - 2016,,, Wiseco Crankshaft w/Bearings and Gaskets - WPC123,,, Precision-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 Caged needle roller bearings provide the highest possible RPM Precision-machined crank webs Crankshaft comes with top-end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job. 2006 Yamaha YZ85 2005 Yamaha YZ85 2004 Yamaha YZ85 2003 Yamaha YZ85 2002 Yamaha YZ85