2 Namura Piston Kits for Kawasaki 1982-1990 JS550 & SX550 .020 Over Bore 75.5mm

Namura Piston Kit (2-Pack) for Kawasaki JS550 & SX550 .020 Over Bore 75.5mm

This pair of Namura piston kits provides .020 over bore size 75.5mm for Kawasaki JS550 and SX550 personal watercraft from 1982 to 1990, offering a direct replacement for worn pistons.

Overview

These Namura piston kits are designed for Kawasaki JS550 and SX550 models needing a .020 over bore. Each piston kit includes a piston, rings, and wrist pin for a complete rebuild. Ideal for restoring compression and performance in 1982-1990 Kawasaki watercraft.

Built For Performance

• Precision-machined aluminum alloy
• .020 over bore (75.5mm) for cylinder refurbishment
• Includes piston rings and wrist pin
• Two complete kits per set
• Designed for high-revving two-stroke engines
• Meets Namura quality standards

Fits These Machines

• for Kawasaki JS550 (1982-1990)
• for Kawasaki SX550 (1982-1990)

On-The-Job Use

• Personal watercraft rebuilds
• Restoring lost compression
• Replacing worn or damaged pistons
• Performance restoration of classic jet skis

Specs At A Glance

Good To Know

Q: Do these piston kits require cylinder boring? A: Yes, these .020 over bore pistons require the cylinder to be bored to 75.5mm for proper fit.

Q: What components are included in each kit? A: Each Namura piston kit includes a piston, piston rings, and wrist pin.

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