3 Namura Piston Ring Kits fits Kawasaki 99-05 Ultra 150 1200 STX-R STD Bore 80mm

3 Namura Piston Ring Kits for Kawasaki

This set includes three Namura piston ring kits designed for Kawasaki Ultra 150 and 1200 STX-R watercraft engines from 1999 to 2005, providing a reliable seal and compression for standard 80mm bore applications.

Overview

These Namura piston ring kits are aftermarket replacements for Kawasaki personal watercraft engines, delivering consistent performance and durability. Each kit contains rings that restore proper compression and oil control in 80mm STD bore cylinders, making them essential for engine rebuilds.

Built For Performance

• Manufactured from high-quality steel for long wear resistance
• Precise 80mm standard bore sizing ensures proper fit
• Includes three complete ring sets per kit for multi-cylinder engines
• Designed to meet OEM specifications for reliable sealing
• Heat-treated for improved fatigue strength
• Compatible with both two-stroke and four-stroke watercraft engines as applicable

Fits These Machines

• for Kawasaki Ultra 150 (1999-2005)
• for Kawasaki 1200 STX-R (1999-2005)

On-The-Job Use

• Used during engine rebuilds to restore compression and performance
• Ideal for high-performance watercraft applications
• Commonly installed in racing and recreational personal watercraft
• Ensures proper ring sealing under high RPM operation

Specs At A Glance

Good To Know

Q: Do these rings fit other Kawasaki models? A: These rings are specifically designed for Ultra 150 and 1200 STX-R engines with 80mm bore; other models may require different sizes.

Q: Are these rings pre-gapped? A: Rings are manufactured to standard dimensions but may require final gap adjustment during installation for optimal seal.

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