Piston Rings .060 Over Bore for Yamaha 1983-2006 PW80 & 1986-1990 BW80 48.5mm

Piston Rings for Yamaha

These .060 over bore piston rings provide a reliable seal for the combustion chamber in 48.5mm cylinder bores for Yamaha PW80 and BW80 models.

Overview

These piston rings for Yamaha engines restore compression and power to your 1983-2006 PW80 or 1986-1990 BW80. Designed as a high-quality replacement, these piston rings for Yamaha ensure your engine operates with optimal efficiency. This set is specifically sized for engines requiring a .060 over bore to compensate for cylinder wear.

Built For Performance

• Engineered for precise oil control
• Constructed from high-tensile material
• Designed for high-heat environments
• Provides consistent ring tension
• Resistant to thermal fatigue

Fits These Machines

• for Yamaha 1983-2006 PW80
• for Yamaha 1986-1990 BW80

On-The-Job Use

• Restoring engine compression during top-end rebuilds
• Improving fuel efficiency in small displacement motors
• Eliminating blow-by in worn cylinder bores

Specs At A Glance

Good To Know

Q: When should I replace my rings? A: You should replace them when you notice significant power loss or increased oil consumption caused by blow-by.

Q: Do I need to hone the cylinder? A: Yes, a fresh hone pattern is necessary to help the new rings seat properly against the cylinder wall.

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