Namura Standard Bore Top End Rebuild Kit Size B for Honda CR125R fits 2003 54mm

Standard Bore Top End Rebuild Kit Size B for Honda

This top end rebuild kit for Honda CR125R restores cylinder compression and performance with a 54mm bore size.

Overview

This top end rebuild kit is designed for the Honda CR125R, providing all necessary components for a complete cylinder refresh. The kit includes piston, rings, wrist pin, and gaskets to restore engine compression and reliability. Riders and mechanics trust this top end rebuild kit for consistent performance in off-road environments.

Built For Performance

• Precision-bored cylinder fit for 54mm standard bore
• Includes Namura piston, rings, wrist pin, and gaskets
• High-strength aluminum alloy piston for durability
• Match-honed rings for optimal seal
• Direct replacement for Honda CR125R 2003

Fits These Machines

• for Honda CR125R (2003)

On-The-Job Use

• Motocross track racing requiring peak engine output
• Trail riding where reliable low-end torque is essential
• Competitive enduro events demanding durable top end components
• Restoring a worn CR125R engine to factory specifications

Specs At A Glance

Good To Know

Q: Does this kit include a piston? A: Yes, the kit includes a Namura piston, rings, wrist pin, and all necessary gaskets for a complete top end rebuild.

Q: Is this kit compatible with other years? A: This kit is specifically designed for the 2003 Honda CR125R with a 54mm bore; confirm your model year before ordering.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.