Namura .020 Over Bore Piston Kit for Yamaha 700 PWC fits 1993-2020 81.5mm

.020 Over Bore Piston Kit for Yamaha

This .020 over bore piston kit is designed for Yamaha 700 PWC models from 1993 to 2020, featuring an 81.5mm diameter for increased displacement and performance.

Overview

This .020 over bore piston kit is an aftermarket replacement for Yamaha 700 PWC engines from 1993 to 2020. It provides a 81.5mm bore size to increase displacement and restore compression. Ideal for performance rebuilds or top-end overhauls, it delivers reliable power and longevity.

Built For Performance

• High-strength aluminum alloy construction for durability and heat dissipation
• Precision-machined piston skirts reduce friction and wear
• Oversized 81.5mm bore increases engine displacement for added torque
• Includes piston rings and wrist pin for complete installation
• Engineered for 0.020 inch overbore to match worn cylinder walls

Fits These Machines

• for Yamaha 700 PWC (1993-2020)

On-The-Job Use

• Rebuilding Yamaha personal watercraft engines for recreational use
• Restoring compression in high-hour 700 PWC motors
• Performance upgrades for racing or towing applications
• Overhauling top-end after cylinder wear or scoring

Specs At A Glance

Good To Know

Q: Is this piston kit compatible with stock Yamaha 700 PWC engines? A: Yes, it is designed for 1993-2020 700 PWC engines that have been bored 0.020 over. Confirm your cylinder bore before ordering.

Q: Does the kit include all necessary components? A: Yes, the kit includes the piston, rings, and wrist pin. You may need to reuse your original circlips or purchase them separately.

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