Namura .020 Over Bore Piston Rings for Yamaha Kodiak, Grizzly 400 2000-2008 85mm

.020 Over Bore Piston Rings for for Namura

These .020 over bore piston rings for for Namura ensure proper compression and oil control for for Yamaha Kodiak and Grizzly 400 engines featuring an 85mm bore.

Overview

The .020 over bore piston rings for for Namura are engineered to seat effectively within cylinders that have been bored to 85mm. These .020 over bore piston rings for for Namura restore the seal between the piston and cylinder wall. They are designed for use during top end rebuilds and engine maintenance.

Built For Performance

• Engineered for 85mm cylinder bores
• Designed for .020 over stock dimensions
• Maintains consistent ring end gap
• Resistant to thermal expansion under load

Fits These Machines

• for Yamaha Kodiak 400 2000-2008
• for Yamaha Grizzly 400 2000-2008

On-The-Job Use

• Rebuilding engines with bored cylinders
• Reducing oil consumption in older units
• Restoring power to high-hour utility vehicles

Specs At A Glance

Good To Know

Q: Can I use these in a standard bore? A: No, these rings are sized specifically for a .020 over bore and will not seal correctly in a stock cylinder.

Q: Is engine break-in necessary? A: Yes, follow standard break-in procedures for new rings to ensure they seat properly against the cylinder walls.

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