CRANKSHAFT BOTTOM KIT 01-02 YZ250, WISECO WPC127 YAMAHA MX
Wiseco Crankshaft Bottom Kit with Bearings and Gaskets - WPC127. Precision-trued to OEM specifications. Connecting rods are double-forged for superior dimensional consistency. Shot-peening eliminates residual stresses. Corrosion-resistant surface treatment. Top and bottom end rod bores case hardened to 58-62 RC. Crank pin bearing radial running clearance is optimized. Precision honing ensures an ultra-round bearing surface. Engineered oiling slots maximize rod strength and bearing life. Double-drilled small ends provide extra lubrication and cooling for the piston pin. Silver-coated bronze phosphor thrust washers with dimpled design increase oil retention and reduce friction. Crank pin bearings are manufactured with high-quality hot-rolled steel, case hardened to 58-62 RC. Part number 56-181.WI.
- SKU
- 56-181.WI
- Brand
- Wiseco
- Availability
- In Stock (2)
FULL DESCRIPTION
Wiseco Crankshaft Bottom End Kit
This Wiseco Crankshaft Bottom End Kit is designed to provide superior performance and durability for your motorcycle's engine.
Key Features:
- Precision-trued to OEM specifications for a perfect fit and reliable operation.
- Double-forged connecting rods ensure consistent dimensions and improved grain flow.
- Shot-peening eliminates residual stresses and smooths rod forging surfaces.
- Corrosion-resistant surface treatment protects against environmental wear.
- Top and bottom end rod bores are case hardened to 58-62 RC for an optimal bearing running surface.
- Crank pin bearing radial running clearance is optimized for maximum performance.
- Precision honing ensures an ultra-round bearing surface.
- Engineered oiling slots maximize rod strength and extend bearing life.
- Double-drilled small ends provide extra lubrication and cooling for the piston pin, reducing thermal distortion.
- Silver-coated bronze phosphor thrust washers with a dimpled design increase oil retention and reduce friction.
- Crank pin bearings are manufactured from high-quality hot-rolled steel and case hardened to 58-62 RC.
