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

Namura Piston Kit for Yamaha

This Namura piston kit is designed for Yamaha 800 PWC engines from 1998 to 2005, featuring a 0.020-inch overbore with an 80.5mm bore diameter for engine rebuilding and performance restoration. It provides a reliable replacement for worn pistons in Yamaha personal watercraft.

Overview

This piston kit for Yamaha 800 personal watercraft engines is a high-quality aftermarket option that restores compression and power in two-stroke engines. It includes the piston, rings, wrist pin, and clips, designed for a 0.020 overbore application with an 80.5mm bore. The Namura piston kit is suitable for Yamaha PWC owners performing an engine rebuild or overbore.

Built For Performance

• Precision-machined from durable aluminum alloy for long life
• Includes two rings for effective sealing and oil control
• Wrist pin and circlips provided for easy installation
• Designed for 0.020 overbore to clean up cylinder wear
• Namura quality ensures dimensional accuracy and reliability

Fits These Machines

• for Yamaha 800 PWC (1998-2005)

On-The-Job Use

• Engine top-end rebuild for Yamaha PWC restoration
• Replacement of worn pistons to restore lost compression
• Overbore application to salvage worn cylinders
• Maintenance for high-hour personal watercraft engines

Specs At A Glance

Good To Know

Q: Will this piston kit fit my Yamaha PWC? A: This kit fits Yamaha 800cc two-stroke engines from 1998-2005 that are bored to 0.020 over, so verify your cylinder bore size and engine year.

Q: What is included in the kit? A: The kit includes one piston, rings, wrist pin, and circlips needed for a single cylinder top-end rebuild.

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