Cylinder Works Standard Bore Cylinder Kit 97.00 mm for Yamaha (CW20012K01)

Upgrade your Yamaha engine with the Cylinder Works CW20012K01 Standard Bore Cylinder Kit, engineered as a ready-to-install replacement for the original equipment cylinder. The direct bolt-on design requires no re-plating or additional machine work, helping simplify installation while maintaining an OEM-like appearance and fit. This kit is designed for dependable performance, consistent operation, and long service life in demanding riding conditions.
The Cylinder Works cylinder is nickel silicon carbide plated to promote durability, efficient heat transfer, and resistance to wear. Each kit includes a matched Vertex piston, helping support reliable piston-to-cylinder operation, reduced engine noise, and sustained performance. The standard bore configuration maintains the original bore specification while providing a comprehensive replacement solution for engine rebuilding or maintenance.
The CW20012K01 kit includes the cylinder, Vertex piston, piston rings, wrist pin, circlips, and required gaskets for a complete installation. Components are matched to work together, reducing the need to source individual parts and helping ensure a smooth rebuild. Made in the USA, this Cylinder Works kit offers a practical, high-quality replacement for Yamaha applications requiring a standard bore cylinder assembly.
Feature: Ready-to-install direct bolt-on cylinder requires no re-plating.
Feature: Standard bore design with a 97.00 mm bore size.
Feature: Nickel silicon carbide plating for long-lasting durability.
Feature: Matched Vertex piston supports performance, longevity, and reduced engine noise.
Feature: Includes cylinder, piston, rings, wrist pin, circlips, and gaskets.
Feature: Big bore versions require no machine work; this standard bore kit maintains the original bore specification.
Feature: Made in the USA.

Features:

• Ready-to-install direct bolt-on cylinder requires no re-plating

• Standard bore design with a 97.00 mm bore size

• Nickel silicon carbide plating for long-lasting durability

• Matched Vertex piston supports performance, longevity, and reduced engine noise

• Includes cylinder, piston, rings, wrist pin, circlips, and gaskets

• Big bore versions require no machine work; this standard bore kit maintains the original bore specification

• Made in the USA

Ships from Parts Unlimited.