What components are included in this Wiseco crankshaft kit?

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

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

These processes help to remove residual stress within the metal and create a smoother surface finish on the connecting rod. This contributes to improved strength and reliability of the component under engine load.

Does this kit include everything needed to complete the bottom-end rebuild?

This kit provides the crankshaft, bearings, and gaskets/seals necessary for the bottom end. You will need to source other engine components, fluids, and potentially specialized tools for the complete rebuild process.

Wiseco Yamaha Warrior/Raptor Crankshaft Kit

Specifications

Brand: Wiseco
Part #: WPC137
UPC: 193564110350

Wiseco Yamaha Warrior/Raptor Crankshaft Kit

Name: Wiseco Yamaha Warrior/Raptor 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 1987-2004 Yamaha YFM350X Warrior and 2005-2013 Raptor. This Wiseco crankshaft kit is a complete solution for your bottom-end rebuild, including all necessary components.

Key Features

Fits 1987-2004 Yamaha YFM350X Warrior and 2005-2013 Yamaha YFM350 Raptor.
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 improve surface finish.
Precision machined crank webs are built for strength and durability.
Features OEM quality main bearings and rod bearings for smooth operation and reliable longevity.

⚠️ 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 these vehicles

Yamaha YFM350 Raptor 2005-2013
Yamaha YFM350X Warrior 1987-2004

Product Details

If you're rebuilding the bottom end of your 1987-2004 Yamaha YFM350X Warrior or 2005-2013 Raptor, this Wiseco crankshaft kit is designed to make the job straightforward. Getting the crankshaft, main bearings, and a full set of gaskets and seals all in one package saves you time sourcing individual parts and ensures you have what you need for a complete engine overhaul.

Wiseco puts a lot of attention into the details that matter for engine longevity. The connecting rod in this kit is copper-plated, heat-treated, and shot-peened. This process helps remove stress from the metal and smooths out the surface, which contributes to its overall strength and reliability. The crank webs are also precision machined to ensure they are as strong as possible. You'll find OEM quality main and rod bearings included, which are crucial for smooth operation and long-lasting performance.

This kit bundles the crankshaft assembly, main bearings, and a complete bottom-end gasket and seal kit into a single part number. This approach simplifies your parts list and helps ensure you're starting your rebuild with well-made components from a popular brand in performance engine parts.