Namura Standard Bore Size A Top End Kit for GAS GAS EC250 1997-2013 66.4mm

Namura Standard Bore Size A Top End Kit for GAS GAS

This top end kit provides a complete bore and piston assembly for GAS GAS EC250 models from 1997 to 2013, featuring a 66.4mm bore size to restore engine compression and performance.

Overview

This Namura top end kit delivers a direct replacement bore and piston for GAS GAS EC250 dirt bikes. Engineered as a high-quality aftermarket top end kit, it includes a precision-machined cylinder, piston, rings, and gaskets. Riders seeking a reliable top end kit for their 1997-2013 EC250 will find this kit restores power and reliability.

Built For Performance

• Precision-machined cylinder for accurate fit and sealing
• High-strength cast piston for durability
• Chromoly rings for reduced wear and better compression
• Complete gasket set for hassle-free installation
• Balanced assembly tested to OEM specifications

Fits These Machines

• for GAS GAS EC250 (1997-2013)

On-The-Job Use

• Enduro and off-road trail riding
• Motocross racing and practice sessions
• Engine rebuilds for performance and reliability
• Competition and recreational use

Specs At A Glance

Good To Know

Q: Will this kit fit my 2005 GAS GAS EC250? A: Yes, this kit is designed for 1997-2013 models; verify your engine serial number for exact compatibility.

Q: Does the kit include a cylinder? A: Yes, the kit includes a complete cylinder, piston, rings, wrist pin, and circlips for a full top end rebuild.

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