Namura .040 Over Piston Rings for Yamaha Kodiak & Grizzly 400 2000-2008 85.5mm

.040 Over Piston Rings for Yamaha

These .040 over piston rings for Yamaha Kodiak and Grizzly 400 models provide the necessary seal for 85.5mm oversized bores.

Overview

Designed for engine rebuilds, these .040 over piston rings for Yamaha restore compression and oil control in worn cylinders. The .040 over piston rings for Yamaha are precision machined to provide a tight seal against the cylinder wall. These .040 over piston rings for Yamaha work with 2000-2008 models requiring a bore increase.

Built For Performance

• High quality alloy construction
• Precision ring gap spacing
• Designed for 85.5mm bore
• Optimized heat dissipation
• Hardened finish for longevity

Fits These Machines

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

On-The-Job Use

• Engine top end rebuilds
• Correcting oil consumption issues
• Restoring lost engine compression

Specs At A Glance

Good To Know

Q: Do I need to hone the cylinder before installing these rings? A: Yes a proper cylinder hone is required to ensure the rings seat correctly against the cylinder wall.

Q: Can these be used in a standard bore cylinder? A: No these rings are designed specifically for an oversized 85.5mm cylinder bore.

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