Namura .020 Over Bore Piston Ring for Yamaha YZ85 fits 2002-2025 Models 48mm

.020 Over Bore Piston Ring for Namura

This .020 Over Bore Piston Ring for Namura restores compression by creating an airtight seal against the cylinder wall in 48mm bore engines.

Overview

The .020 Over Bore Piston Ring for Namura provides the necessary diameter for engines bored slightly beyond factory specifications. Using this .020 Over Bore Piston Ring for Namura helps recover lost horsepower and engine efficiency. Each .020 Over Bore Piston Ring for Namura is manufactured to withstand intense thermal stress and friction.

Built For Performance

• Engineered for 48mm cylinder bores
• High strength alloy material
• Resists thermal fatigue under load
• Promotes uniform heat transfer

Fits These Machines

• for Yamaha YZ85 2002-2025

Specs At A Glance

Good To Know

Q: Should I check ring end gap? A: Always verify the end gap according to your service manual before final installation.

Q: Is this compatible with stock pistons? A: This is intended for use with oversized pistons matching the .020 over specification.

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