CRANKSHAFT BOTTOM KIT 01-02 YZ250, WISECO WPC127 YAMAHA MX
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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)
Fitments (2)
| Make | Model | Year |
|---|---|---|
| YAMAHA | YZ 250 | 2001 |
| YAMAHA | YZ 250 | 2002 |
- General Product Group
- Crankshafts & Parts
- General Product Type
- Crankshaft Bottom End Kits
- Variant Id
- 250176
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.
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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
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