Wiseco Yamaha YZ125 05-21 YZ125X 20-21 Complete Bottom End Crank Kit Assembly

WISECO CRANKSHAFT W/ GASKETS & BEARINGS BOTTOM END KIT

Wiseco has provided an awesome, quality made bottom end kit with all the required parts to get your bike back on the track and dig some ruts!

FEATURES

• 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
• Crankpin bearing radial running clearance is optimized to ensure maximum performance
• Precision honing ensures an 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
• Crankpin 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

Note: The picture is not a representation of the final product, used just for sample image purposes.

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