Namura Standard Bore Piston Kit for Kawasaki 1995-2006 900 ZXI, STS & STX 73mm

Namura Standard Bore Piston Kit for Kawasaki

This is a direct replacement standard bore piston kit for 1995-2006 Kawasaki 900 ZXI, STS, and STX watercraft, featuring a 73mm bore size.

Overview

The Namura standard bore piston kit provides a precise replacement for worn pistons in 900cc Kawasaki jet skis. It restores compression and performance while maintaining stock bore dimensions. This kit is ideal for rebuilds on 1995-2006 Kawasaki 900 ZXI, STS, and STX models.

Built For Performance

• Precision-machined from high-strength aluminum alloy
• Includes piston, rings, wrist pin, and circlips
• 73mm standard bore size requires no cylinder boring
• Designed for reliable operation in marine environments
• OEM specifications ensure proper fit and function
• Stringent quality control for consistent performance

Fits These Machines

• for Kawasaki 900 ZXI (1995-2006)
• for Kawasaki 900 STS (1995-2006)
• for Kawasaki 900 STX (1995-2006)

On-The-Job Use

• Rebuilding personal watercraft engines after top-end wear
• Replacing pistons during routine engine overhaul
• Restoring power on high-hour Kawasaki 900 jet skis
• Used in recreational and performance watercraft applications

Specs At A Glance

Good To Know

Q: Is this piston kit a direct bolt-in replacement? A: Yes, it is designed as a standard bore replacement that matches OEM dimensions, but always verify your cylinder condition and ring end gap before installation.

Q: Does the kit include all necessary components? A: The kit comes with piston, rings, wrist pin, and circlips; you will need to reuse or replace your connecting rod and bearings separately.

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