Wiseco OEM Replacement Bottom End Kit - WPC134 - 2003-2023 Yamaha YZ250, or YZ250X

Wiseco WPC134 OEM Replacement Bottom End Kit for Yamaha YZ250 (2003-2023) & YZ250X (2016-2023)

Take your Yamaha YZ250 (2003-2023) or YZ250X (2016-2023) to new heights with this premium Wiseco WPC134 Bottom End Kit. Wiseco, a legendary brand with nearly 80 years of experience, offers unmatched solutions for 2-stroke engine optimization.

Kit Contents:

• Crankshaft assembled and precision trued to OEM specifications
• Top end bearing
• Premium main bearings
• Complete bottom end gasket set with all necessary seals and gaskets

Wiseco's Commitment to Quality:

• Double-forged connecting rods for superior dimensional consistency
• Shot-peening eliminates residual stresses for smooth rod forging surfaces
• Corrosion-resistant surface treatment for longevity
• Case-hardened top and bottom end rod bores (58-62 RC) for an optimized bearing running surface
• Optimized crank pin bearing radial running clearance for peak performance
• Precision-honed ultra-round bearing surface
• Precision-engineered oiling slots for maximum rod strength and bearing life
• Double-drilled small ends provide extra piston pin lubrication and cooling
• Silver-coated bronze phosphor thrust washers with a dimpled design for oil retention and reduced friction
• High-quality, case-hardened crank pin bearings (58-62 RC)
• Caged needle roller bearings for maximum rpm
• Precision-machined crank webs
• Premium gasket kit for maximum sealing and reliability

Why Choose Wiseco?

• OEM replacement bottom end kit
• Complete with all seals and gaskets
• High-grade main bearings
• Wiseco's long-standing reputation for quality and performance

Upgrade Your Yamaha YZ250 or YZ250X Today!

Don't settle for less than the best. Wiseco's WPC134 Bottom End Kit is the perfect solution for your Yamaha YZ250 or YZ250X. Order now and experience the difference Wiseco's commitment to quality and performance can make.

Part Number: WPC134 Fitment: Yamaha YZ250 (2003-2023), YZ250X (2016-2023)

 Click to see additional performance parts  for your Yamaha YZ250 

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