Namura Standard Bore Size A Top End Repair Kit for Yamaha YZ125 fits 1997 54mm

Namura Standard Bore Size A Top End Repair Kit for Yamaha

This top end repair kit for Yamaha YZ125 (1997) includes a standard bore size piston, rings, and gaskets to restore engine compression and performance.

Overview

This Namura standard bore size top end repair kit is designed for the Yamaha YZ125 1997 model with a 54mm bore. It contains all necessary components to rebuild the cylinder and restore top end performance. The kit is a reliable replacement for worn pistons and rings, ensuring proper compression and power output.

Built For Performance

• Includes piston, rings, wrist pin, and gasket set for a complete top end rebuild
• Standard bore size (54mm) matches original Yamaha specifications
• Manufactured by Namura to meet or exceed OE standards
• Features a durable cast piston for reliable operation
• Comes with all necessary gaskets for a secure seal

Fits These Machines

• for Yamaha YZ125 (1997)

On-The-Job Use

• Ideal for rebuilding the top end of a Yamaha YZ125 motocross bike
• Commonly used during preventive maintenance or after piston wear
• Perfect for restoring lost compression and power in a two-stroke engine

Specs At A Glance

Good To Know

Q: Does this kit include a cylinder? A: No, this is a top end repair kit consisting of piston, rings, wrist pin, and gaskets; the cylinder must be reused or replaced separately.

Q: Is the piston pre-installed on the rod? A: No, the piston and pin are separate components and must be assembled during installation.

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