Namura Standard Bore Size A Top End Repair Kit for Yamaha YZ125 2002-2004 54mm

Standard Bore Size A Top End Repair Kit for Yamaha YZ125

This Namura top end repair kit includes a piston, rings, pin, and gaskets for rebuilding 2002-2004 Yamaha YZ125 engines with a 54mm bore.

Overview

This top end repair kit from Namura is engineered to rebuild the cylinder of Yamaha YZ125 motorcycles from 2002-2004. It features a 54mm standard bore piston and all necessary components for a reliable top-end overhaul.

Built For Performance

• Complete top end repair kit with piston, rings, wrist pin, and gaskets
• Standard bore size A (54mm) for exact fit
• Cast aluminum piston for durability
• Chrome-plated rings for reduced friction
• Includes all necessary gaskets and seals

Fits These Machines

• for Yamaha YZ125 (2002-2004)

On-The-Job Use

• Rebuilding top end for motocross racing
• Replacing worn piston and rings after high hours
• Performing engine overhaul for trail riding
• Restoring compression and power in YZ125 engines

Specs At A Glance

Good To Know

Q: Is this kit compatible with a 2005 YZ125? A: This kit is specified for 2002-2004 models; for 2005, please check piston and gasket differences.

Q: Does it include a cylinder head gasket? A: Yes, the kit includes a complete gasket set for the top end.

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