2 Namura Piston Kits for Yamaha Many 1998-2005 800 PWC .020 Over Bore 80.5mm

2 Namura Piston Kits for Yamaha

This set of two 80.5mm .020 over bore piston kits provides a reliable replacement for Yamaha 800 PWC models from 1998 to 2005, restoring compression and performance.

Overview

These piston kits are designed for Yamaha 800 personal watercraft engines, offering a .020 over bore size of 80.5mm. Each kit includes a piston, rings, and wrist pin for a complete top-end rebuild. The two-piston set ensures consistent performance for multi-cylinder PWC applications.

Built For Performance

• Precision-machined 80.5mm diameter with .020 over bore for increased displacement
• High-strength aluminum alloy construction for durability
• Includes piston rings and wrist pin for complete assembly
• Designed for Yamaha 800 PWC engines (1998-2005)
• Two kits included for matched cylinder sets

On-The-Job Use

• Commonly used in Yamaha 800 PWC for recreational riding
• Ideal for engine rebuilds on WaveRunner models from 1998-2005
• Suitable for freshwater and saltwater PWC operation
• Often selected for performance restoration and maintenance

Specs At A Glance

Good To Know

Q: Are these piston kits compatible with any Yamaha PWC model? A: They are designed specifically for 800cc Yamaha PWC engines from 1998 to 2005, but always verify your engine's model and year before ordering.

Q: Do I need any additional parts for installation? A: These kits include pistons, rings, and wrist pins; you may still need gaskets, seals, and bearings for a complete rebuild.

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