What is included in the Wiseco Crankshaft Kit?

This kit includes a complete crankshaft assembly, main bearings, and a comprehensive bottom-end gasket and seal kit. It's designed to cover all the essential components for a bottom-end rebuild.

What kind of bearings are included in this kit?

The kit comes with main bearings and rod bearings that are OEM quality. This ensures smooth operation and reliable longevity for your engine's bottom end.

What is the benefit of the connecting rod being heat-treated and shot-peened?

Heat-treating and shot-peening the connecting rod helps to remove residual stress and smooth the surface blends. This process contributes to the rod's overall strength and reliability under demanding conditions.

Wiseco 03-13 Yamaha YZ250F Crankshaft Kit

Specifications

Brand: Wiseco
Part #: WPC140
UPC: 193564111449

Wiseco 03-13 Yamaha YZ250F Crankshaft Kit

Name: Wiseco 03-13 Yamaha YZ250F Crankshaft Kit
Brand: Wiseco
Price: 544.60 USD
Availability: InStock

$544.60

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2003-2013 Yamaha YZ250F. This crankshaft kit includes everything needed for a bottom-end rebuild, saving you time and money.

Key Features

Fits 2003-2013 Yamaha YZ250F.
Includes a complete crankshaft assembly, main bearings, and a full bottom-end gasket and seal kit.
The connecting rod is copper-plated, heat-treated, and shot-peened to reduce stress and smooth surface blends.
Features OEM quality main bearings and rod bearings for smooth operation and reliable longevity.
Precision machined crank webs are used for strength and durability.
This kit helps save time and money by providing all necessary bottom-end components in one box.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Fits this vehicle

Yamaha YZ250F 2003-2013

Product Details

If you're rebuilding the bottom end of your 2003-2013 Yamaha YZ250F, this crankshaft kit from Wiseco is a smart way to get everything you need in one convenient package. It bundles the essential components for a complete bottom-end overhaul, helping you save time sourcing individual parts and ensuring you have compatible pieces for a smooth rebuild.

Inside this kit, you'll find a complete crankshaft assembly, which is the heart of your engine's rotating assembly. The connecting rod is copper-plated, heat-treated, and shot-peened to reduce stress and improve its surface finish for reliable operation. Wiseco also includes OEM quality main bearings and rod bearings, selected for smooth operation and long-lasting performance. To top it all off, the kit comes with a complete bottom-end gasket and seal kit, so you have all the seals and gaskets needed to button up the engine properly.

Precision machining on the crank webs contributes to the overall strength and durability of the assembly. By choosing this all-in-one kit, you're getting a well-built set of components designed to get your YZ250F back to performing its best. Make sure to refer to your service manual for specific installation procedures and torque specifications.