Namura Standard Bore Piston Kit for Yamaha 450 Kodiak Rhino Grizzly 84.5mm

Standard Bore Piston Kit for Yamaha

This Namura standard bore piston kit is a direct replacement for Yamaha 450 models including Kodiak, Rhino, and Grizzly, featuring an 84.5mm bore to restore compression and engine performance.

Overview

This standard bore piston kit for Yamaha 450 ATVs and utility vehicles provides a reliable OEM-style replacement. Designed to restore lost compression and power, this standard bore piston kit includes a precision-cast piston, rings, wrist pin, and circlips for a complete top-end rebuild. Whether maintaining a Kodiak or upgrading a Rhino, this kit delivers consistent performance.

Built For Performance

• Precision-cast aluminum alloy piston for durability
• Includes high-quality piston rings for optimal sealing
• Hardened wrist pin and circlips included for secure installation
• 84.5mm standard bore size matches factory specifications
• Designed for Yamaha 450 engine platforms

Fits These Machines

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

On-The-Job Use

• Trail riding and recreational ATV use
• Utility work on farms and ranches
• Rebuilding worn top ends for renewed power
• General maintenance and engine overhaul projects

Specs At A Glance

Good To Know

Q: Is this piston kit compatible with other Yamaha 450 models? A: This kit is specifically designed for Yamaha 450 engines found in Kodiak, Rhino, and Grizzly; always verify your engine code before ordering.

Q: Do I need to hone the cylinder before installation? A: Yes, thoroughly deglaze and hone the cylinder to the recommended finish for proper ring seating and long life.

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