Namura Standard Bore Piston Kit Size B 53.95mm for Kawasaki KX125 1998-2000 54mm

Namura Standard Bore Piston Kit Size B 53.95mm for Kawasaki

This Namura piston kit is a standard bore replacement with a 53.95mm piston diameter, designed for Kawasaki KX125 motorcycles from 1998 to 2000 with a 54mm bore.

Overview

The Namura Standard Bore Piston Kit Size B 53.95mm is a drop-in replacement piston for your Kawasaki KX125 engine. It restores compression and performance in two-stroke dirt bikes without requiring cylinder boring. This piston kit includes rings, pin, and clips for a complete top-end rebuild.

Built For Performance

• High-silicone aluminum alloy casting for strength and heat dissipation
• Precision-machined skirt profile reduces friction and noise
• Ring grooves cut to factory specifications for proper sealing
• Includes wrist pin and circlips for a complete assembly
• Weight-matched to OEM standards for minimal vibration

Fits These Machines

• for Kawasaki KX125 (1998-2000)

On-The-Job Use

• Motocross racing and track days requiring reliable top-end performance
• Trail riding where consistent power delivery is needed
• Engine rebuilds after piston wear or seizure events
• Seasonal maintenance for competitive riders

Specs At A Glance

Good To Know

Q: Does this piston kit require cylinder boring? A: No, this is a standard bore piston designed for a 54mm cylinder bore; if your cylinder is worn beyond spec, you may need an oversize piston and boring.

Q: Are circlips included with the kit? A: Yes, the kit includes new wrist pin circlips; always use fresh circlips and never reuse old ones.

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