FREE STANDARD DELIVERY ON ALL UK ORDERS - ORDER BEFORE 1PM FOR SAME DAY DESPATCH

 

CRANKSHAFT ASSY 98-00 YZ125 WISECO WPC124 YAMAHA MX

Availability: Out of stock
SKU: TL1262858
Part number: 56-179.WI
£292.16
Part No. 56-179.WI YAMAHA YZ125 1998 - 2000,,, Wiseco Crankshaft Assembly with Bearings Gasket set and crank main bearings - WPC124,,, 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.