Cylinder Works Standard Bore Cylinder for Yamaha WR450F / YZ450F / YZ450FX - CW20012

The Cylinder Works Standard Bore Cylinder, part number CW20012, is a new, not remanufactured cast-aluminum replacement cylinder designed as an OEM-style alternative to replating a worn cylinder. It is intended for Yamaha WR450F, YZ450F, and YZ450FX; see the complete vehicle list below.

Features

• Stock-bore replacement configuration for a standard-displacement top-end rebuild
• New cast-aluminum cylinder with an OEM-style appearance
• Nickel-silicon-carbide (NSC) electroplated bore for wear resistance, oil retention, and reduced friction
• Precision diamond honed to the proper bore dimension and surface finish to support ring seal

What Is Included

• Cylinder only

Specifications

• Brand: Cylinder Works
• Product Type: Standard Bore Cylinder
• Bore Configuration: Standard bore
• Construction: Cast aluminum
• Bore Finish: Nickel-silicon-carbide electroplate
• Manufacturer Part Number: CW20012

Vehicle Fitment

Make: Yamaha

• WR 450 F (2019-2020)
• YZ 450 F (2018-2019)
• YZ 450 FX (2019-2020)

Fitment and Installation Note: Confirm the complete year, make, model, engine configuration, and manufacturer part number before ordering. Engine assembly should follow the vehicle manufacturer’s specifications, clearances, torque values, and break-in procedures.