Namura .020 Over Bore Piston Kit for Yamaha 450 Kodiak Rhino Grizzly 85mm

.020 Over Bore Piston Kit 85mm for Yamaha 450 Kodiak Rhino Grizzly

This .020 over bore piston kit is a high-performance replacement for Yamaha 450cc engines found in Kodiak, Rhino, and Grizzly models, featuring an 85mm bore. It increases displacement and restores compression for improved power output.

Overview

This .020 over bore piston kit is designed for Yamaha 450 engines in Kodiak, Rhino, and Grizzly ATVs and UTVs. The 85mm bore provides a slight displacement increase over standard, ideal for rebuilding worn cylinders. This kit ensures reliable performance and longevity for your Yamaha machine.

Built For Performance

• Overbore design increases displacement for extra power and torque
• High-strength aluminum alloy construction resists wear and heat
• Includes piston rings, wrist pin, and circlips for complete installation
• Precision-machined to .020 over standard size for a perfect fit
• Weight-matched for balanced engine operation

Fits These Machines

• for Yamaha Kodiak 450
• for Yamaha Rhino 450
• for Yamaha Grizzly 450

On-The-Job Use

• Off-road trail riding and recreational use
• Utility work on farms and ranches
• Hunting and outdoor expeditions
• General ATV/UTV riding on rugged terrain

Specs At A Glance

Good To Know

Q: What bore size is this piston kit? A: This kit features an 85mm bore, which is .020 over the standard size for these Yamaha engines.

Q: Is this kit compatible with all years of Kodiak 450? A: This kit fits Yamaha Kodiak 450 engines, but model year variations may exist; check serial number compatibility.

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