Vertex Piston Kit, 53.94 mm for Honda CR125R (22685C)

The Vertex 22685C Piston Kit is designed as a cast OE replacement for Honda CR125R applications requiring dependable fitment and consistent performance. This kit uses gravity-cast aluminum alloy with 18% silicone content to provide a durable piston solution suited to demanding motocross and off-road riding conditions. The 53.94 mm piston is engineered for reliable operation and compatibility with the specified Honda CR125R engine configuration.
The piston is heat treated through a T-5 hardening and tempering cycle to improve material strength and durability under operating loads. Its skirt features a high-tech molybdenum disulfide coating that helps reduce friction during initial operation, supports faster break-in, and promotes extended piston life. This coating also contributes to smooth piston movement and dependable performance as the engine reaches operating temperature.
The Vertex 22685C kit includes the essential components needed for piston replacement, including the piston, piston rings, wrist pin, and circlips. As a complete replacement package, it helps simplify installation and ensures the primary piston components are matched for the intended application. Verify engine model and fitment requirements before installation, and follow the manufacturer’s service procedures for proper assembly and break-in.
Built for riders, technicians, and performance-focused maintenance applications, the Vertex Piston Kit provides OE-style replacement functionality with carefully selected materials and surface treatments. It is a practical choice for restoring compression, refreshing the top end, and maintaining reliable Honda CR125R performance.

Features:

• Brand: Vertex

• Part Number: 22685C

• Application: Honda CR125R

• Piston Size: 53.94 mm

• Construction: Gravity-cast aluminum alloy with 18% silicone content

• Heat Treatment: T-5 hardening and tempering cycle

• Skirt Coating: Molybdenum disulfide coating for faster break-in and increased piston life

• Replacement Type: Cast OE replacement piston

• Kit Contents: Piston, rings, wrist pin, and circlips

Ships from Parts Unlimited.