2 Namura Piston Ring Kits for Sea-Doo 1995-2005 800 Models .020 Over Bore 82.5mm

2 Namura Piston Ring Kits for Sea-Doo 800 Models

These two Namura piston ring kits are designed for Sea-Doo 800 models from 1995 to 2005, with a .020 over bore and 82.5mm diameter for rebuilding worn cylinders. Each kit contains high-quality rings that restore compression and improve engine performance in personal watercraft. This piston ring set is intended for use with matching overbore pistons.

Overview

These Namura piston ring kits are a .020 overbore solution for Sea-Doo 800 engines produced between 1995 and 2005, featuring an 82.5mm bore size. They restore proper sealing and compression in worn cylinders, making them ideal for rebuilds on GSX, SPX, GTX, and GTI models. Each kit includes two rings per piston, precision-ground for consistent tension and wear resistance.

Built For Performance

• Namura brand rings manufactured from ductile iron for durability
• .020 over size compensates for cylinder wear
• 82.5mm bore diameter matched to overbore pistons
• Reduces oil consumption and blow-by
• Includes both compression and oil control rings per kit

Fits These Machines

• for Sea-Doo 800 (1995-2005)

On-The-Job Use

• Top-end engine rebuilds for watercraft
• Restoring performance after piston seizure or wear
• Competition and recreational personal watercraft
• Overhauling engines with scored cylinder walls

Specs At A Glance

Good To Know

Q: Do I need to hone the cylinder before installing these rings? A: Yes, always hone the cylinder to the correct crosshatch pattern to ensure proper ring seating and oil retention.

Q: Can these rings be used with standard bore pistons? A: No, they are designed for .020 overbore pistons; using them with standard pistons will result in improper fit and sealing.

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