Namura Standard Bore Size A Top End Repair Kit for GAS GAS MC125 2002-2007 54mm

Standard Bore Size A Top End Repair Kit for Gas Gas

This complete top end repair kit is designed to rebuild the cylinder and piston assembly on Gas Gas MC125 motorcycles from 2002 to 2007, featuring a 54mm bore.

Overview

This top end repair kit provides everything needed to restore compression and performance in your Gas Gas MC125. The kit includes a piston, rings, wrist pin, and circlips, all matched to the 54mm standard bore size. Whether you are refreshing a motocross bike or rebuilding a trail machine, this top end repair kit delivers reliable power.

Built For Performance

• Includes forged piston for high-strength operation
• Precision-machined rings ensure proper sealing
• Heat-treated wrist pin reduces wear
• All gaskets and seals included for a complete install
• Designed to meet OEM specifications for fit and function

Fits These Machines

• for Gas Gas MC125 (2002-2007)

On-The-Job Use

• Motocross racing on closed courses
• Enduro and off-road competition
• Trail riding and recreational use
• Engine rebuild after high-hour use

Specs At A Glance

Good To Know

Q: Does this kit include a cylinder? A: No, this kit only includes the piston, rings, wrist pin, and circlips; the cylinder is not included and must be re-used or replaced separately.

Q: Is this kit compatible with the Gas Gas MC250? A: No, this kit is specifically designed for the Gas Gas MC125 models with a 54mm bore, not for larger displacement engines.

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