Yamaha YZ125 Wiseco Crankshaft Bottom End Rebuild Kit WPC124

Description

Yamaha YZ125 98-00 Wiseco Crankshaft Bottom End Rebuild Kit – WPC124

Fits;
Yamaha YZ125 (1998 – 2000)

Bottom End Rebuild Kit includes;
crankshaft assembly, complete bottom end gasket kit, and bearings

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