Engines and Components› Crankshafts and Components
Wiseco
Wiseco 20-21 Yamaha YZ450 Crankshaft Kit
SKU: W00C WPC244
Moderate — 2–4 hours
Description
Part #: WPC244
Wiseco's bottom-end rebuild kits help save time and money for your dirt bike, ATV, or UTV bottom-end rebuild. Available for many popular applications, these kits contain a crankshaft assembly, main bearings, and a bottom-end gasket kit, all in one box under one part number.
Features:
- Includes complete crankshaft assembly, main bearings, and complete bottom-end gasket and seal kit in one box
- Elevated engineering and quality control measures to ensure reliable service
- OEM quality main bearings and rod bearings for smooth operation and reliable longevity
- Precision machined crank webs for ultimate strength and durability
- Copper-plated, heat-treated, and shot-peened connecting rod to remove residual stress and smooth surface blends
Wiseco Crankshaft Kit - Yamaha YZ450 '20-21
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Wiseco |
| Part Number | W00C WPC244 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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