Namura Standard Bore Top End Kit Size A for Kawasaki KX250 fits 1993-2003 66.4mm

Namura Standard Bore Top End Kit Size A for Kawasaki

This top end kit includes a piston, rings, pin, and circlips for rebuilding the cylinder on Kawasaki KX250 models from 1993 to 2003. Designed as a standard bore (66.4mm) replacement, this top end kit restores compression and performance.

Overview

The Namura Standard Bore Top End Kit Size A is a direct-fit replacement for Kawasaki KX250 engines, featuring a 66.4mm piston and all necessary components. This top end kit is ideal for riders needing a reliable rebuild without oversizing the cylinder. With precise machining, this top end kit ensures consistent power delivery.

Built For Performance

• Includes piston, rings, pin, and circlips
• 66.4mm standard bore size for 1993-2003 KX250
• High-strength aluminum alloy piston
• Chrome-plated piston rings for reduced friction
• Precise tolerances for minimal break-in

Fits These Machines

• for Kawasaki KX250 (1993-2003)

On-The-Job Use

• Motocross track riding
• Trail and off-road use
• Engine rebuilds and top-end overhauls
• Competition and recreational riding

Specs At A Glance

Good To Know

Q: Is this kit compatible with a stock cylinder? A: Yes, the standard bore 66.4mm piston is designed for a stock cylinder that has not been overbored. Always measure the cylinder before ordering.

Q: Do I need to replace anything else during installation? A: It is recommended to replace the wrist pin bearing and inspect the cylinder for wear. Use fresh gaskets and seals for a proper rebuild.

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