Cylinder Works Standard Bore Cylinder Kit, 95 mm for Yamaha (20001-K02)

Upgrade your Yamaha engine with the Cylinder Works 20001-K02 Standard Bore Cylinder Kit, engineered as a direct bolt-on replacement for reliable performance and straightforward installation. This ready-to-install kit requires no re-plating and is designed to look virtually identical to the original equipment cylinder, helping maintain a clean, factory-style appearance while restoring dependable engine function.
The cylinder features a durable Nickel Silicon Carbide coating designed to support long service life, consistent performance, and dependable wear resistance. The kit includes a matched Vertex piston to promote proper fitment, extended durability, reduced engine noise, and smooth operation. With a standard bore size of 95 mm, the Cylinder Works 20001-K02 is suited for applications requiring a direct replacement cylinder without additional machining.
Feature: Direct bolt-on design for convenient installation without cylinder re-plating. Feature: Standard 95 mm bore for compatible Yamaha applications. Feature: Nickel Silicon Carbide plating for durability and long-lasting performance. Feature: Matched Vertex piston helps support longevity, performance, and reduced engine noise. Feature: Complete kit includes cylinder, piston, rings, piston pin, clips, and gaskets. Feature: Made in the USA. Feature: Big bore cylinder configurations do not require machine work.
Designed for riders, technicians, and powersports enthusiasts seeking dependable replacement components, the Cylinder Works 20001-K02 cylinder kit combines OEM-style appearance with carefully matched internal components. Verify application compatibility before installation and follow the manufacturer’s service procedures for assembly, break-in, and maintenance.

Features:

• Direct bolt-on design requires no re-plating

• Standard 95 mm bore for compatible Yamaha applications

• Nickel Silicon Carbide plating for long service life

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

• Complete kit includes cylinder, piston, rings, pin, clips, and gaskets

• Made in the USA

• Big bore cylinder configurations require no machine work

Ships from Parts Unlimited.