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

Standard Bore Top End Rebuild Kit Size A for Honda CR125R

This top end rebuild kit includes a piston, rings, gaskets, and all necessary components for servicing the 54mm bore cylinder on a 2003 Honda CR125R dirt bike.

Overview

This standard bore top end rebuild kit is specifically designed for the Honda CR125R, featuring a 54mm piston and ring set. It provides everything needed for a top-end overhaul on a 2003 model, ensuring reliable performance and compression restoration.

Built For Performance

• Precision-machined piston from high-strength aluminum alloy
• Includes piston rings sized for 54mm bore
• Complete gasket set for cylinder and head
• Wrist pin and circlips included for full assembly
• Kit is balanced and matched for consistent power output

Fits These Machines

• for Honda CR125R (2003)

On-The-Job Use

• Motocross racing and track riding
• Off-road trail riding
• Engine rebuilds after piston wear or seizure
• Performance maintenance for two-stroke dirt bikes

Specs At A Glance

Good To Know

Q: Does this kit include a cylinder? A: No, this is a top end rebuild kit that includes piston, rings, gaskets, and small parts. The cylinder must be reused or purchased separately.

Q: Can I use this kit on a 2002 or 2004 CR125R? A: This kit is specified for the 2003 model year with a 54mm bore. It may not fit other years due to differences in port timing or cylinder design, so 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.