Cylinder Works Standard Bore Cylinder for Yamaha WR450F / YFZ450 / YFZ450LE & More - 20001

The Cylinder Works Standard Bore Cylinder, part number 20001, 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, YFZ450, and YFZ450LE; 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: 20001

Vehicle Fitment

Make: Yamaha

• WR 450 F (2003-2006)
• YFZ 450 (2004-2009, 2012-2013)
• YFZ 450 LE (2004)
• YFZ 450 SE (2005-2008)
• YFZ 450 V Bill Balance Edition (2006-2007)
• YZ 450 F (2003-2005)

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.