Namura Standard Bore Piston Kit Size B (53.95mm) for Honda CR125R 1992-2003 54mm

Standard Bore Piston Kit Size B (53.95mm) for Namura

This standard bore piston kit from Namura is designed to fit Honda CR125R motorcycles from 1992 to 2003, providing a reliable replacement for the OEM piston with a 53.95mm bore size.

Overview

This standard bore piston kit is a direct-fit replacement for Honda CR125R engines requiring a 53.95mm piston. The kit includes the piston, rings, wrist pin, and circlips, making it a complete solution for top-end rebuilds. Designed for riders who want dependable performance from a trusted aftermarket brand, this piston kit delivers consistent power and durability.

Built For Performance

• Precision-machined to 53.95mm bore size (Size B) for accurate fitment
• Includes piston rings, wrist pin, and circlips for a complete installation
• Compatible with Honda CR125R models from 1992 through 2003
• Manufactured from high-strength aluminum alloy for lightweight strength
• Meets or exceeds OEM specifications for reliable operation
• Balanced design reduces vibration and improves engine smoothness

Fits These Machines

• for Honda CR125R 1992-2003

On-The-Job Use

• Top-end engine rebuilds for motocross and off-road racing
• Trail riding and recreational dirt bike use
• Replacing worn or damaged pistons during maintenance intervals
• Performance restoration of high-hour Honda CR125R engines

Specs At A Glance

Good To Know

Q: Does this kit include a wrist pin bearing? A: No, the wrist pin is included but the bearing is not part of the kit; reuse your existing bearing or purchase separately.

Q: What type of rings are included? A: The kit comes with standard chrome-alloy rings that are pre-gapped and ready for installation per the manufacturer’s specifications.

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