
WISECO
Crankshaft Kit - Yamaha YZ250
Part # 0921-0097
$466.95
Low Stock (2)
- 60-day returns
- Free shipping over $100
- Secure checkout
Confirmed fit for 33 motorcycle configurations across Yamaha, model years 2003–2025.
| Years | Make & Model |
|---|---|
| 2003-2025 Yamaha | YZ250 |
| 2016-2025 Yamaha | YZ250X |
- Kit includes crankshaft assembly, main bearings, and bottom-end gasket kit
- Crankshafts are factory assembled and precision trued to OEM specifications
- Double-forged Wiseco connecting rods maintain superior dimensional consistency through improved grain flow
- Shot-peening eliminates residual stresses and smoothly blends the rod forging surfaces
- Corrosion-resistant surface treatment
- 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
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Overview
The WISECO 0921-0097: Crankshaft Kit - Yamaha YZ250. Confirmed fit for 33 motorcycle configurations across Yamaha, model years 2003–2025. Ships from Greasemoto — a veteran-owned motorcycle parts shop in Fort Worth, TX — with free U.S. shipping on orders over $100.
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