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

Standard Bore Top End Kit for Yamaha

This standard bore top end kit for Yamaha 450 models includes a piston, rings, pin, and gaskets to rebuild the cylinder head assembly on Kodiak, Rhino, and Grizzly 450 ATVs and UTVs.

Overview

This standard bore top end kit for Yamaha 450 engines is designed to refresh the top end of Kodiak, Rhino, and Grizzly models. The 84.5mm piston matches stock bore size and comes with all necessary gasket and ring components for a complete overhaul.

Built For Performance

• Standard bore 84.5mm piston with rings and wrist pin
• Includes head gasket, base gasket, and valve stem seals
• Namura aftermarket quality with OEM-like specifications
• Durable aluminum alloy piston for long service life

Fits These Machines

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

On-The-Job Use

• Rebuilding top end on Yamaha 450 ATVs and UTVs
• Replacing worn pistons due to high mileage or poor maintenance
• Restoring compression and engine power for work or recreation

Specs At A Glance

Good To Know

Q: Does this kit include the cam chain or tensioner? A: No, this top end kit covers piston, rings, pin, and gaskets only; cam chain and tensioner are not included.

Q: Can this be used on a 450cc engine with a different bore? A: This kit is for standard 84.5mm bore only; if your cylinder has been overbored, a different piston size is required.

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