Wiseco Complete Bottom End Kit YZ250F 03-11 Crankshaft Gasket Bearing Seals

Wiseco Complete Bottom End Crank Kit (WPC140)

One part number – everything you need for your bottom end rebuild. All Wiseco crankshafts are supplied complete with main bearings and a bottom end gasket kit. Now, by ordering a single part number, you get everything you need for a crank swap in one box. Every Wiseco crank has been expertly engineered and rigorously tested to ensure that it exceeds the highest quality standards.

Bike Fitment:

• Yamaha YZ250F 2003
• Yamaha YZ250F 2004
• Yamaha YZ250F 2005
• Yamaha YZ250F 2006
• Yamaha YZ250F 2007
• Yamaha YZ250F 2008
• Yamaha YZ250F 2009
• Yamaha YZ250F 2010
• Yamaha YZ250F 2011

Crankshaft Specifications:

• Maintains superior strength, durability and dimensional consistency through improved grain flow.
• Eliminates residual stress and smoothly blends the forging surfaces.
• Bronze attracts oil and improves wrist pin location.
• Precision located to maximize lower rod oiling and extends bearing life.

Gaskets & Seals Specifications:

• Exceed OEM standards and provide exceptional seal between critical mating surfaces
• Manufactured from premium materials.

Bearing Specifications:

• Precision ground bearings.
• Case hardened for maximum life and smooth operation at high RPM's
• Manufactured to the highest quality standards