Namura .040 Over Bore Top End Kit for Yamaha Kodiak 400 Grizzly 2000-2008 85.5mm

Namura .040 Over Bore Top End Kit for Yamaha Kodiak 400 Grizzly

This top end kit is designed for Yamaha Kodiak 400 and Grizzly 400 ATVs from 2000 to 2008, providing a .040 oversize bore of 85.5mm to restore compression and performance.

Overview

This top end kit features a .040 over bore piston assembly for Yamaha Kodiak and Grizzly 400 models. It includes all necessary components to refresh the top end. Ideal for restoring power and reliability to your 400cc engine.

Built For Performance

• .040 oversize piston for increased compression
• 85.5mm bore diameter for precise fit
• Includes rings, pin, and circlips
• Compatible with 2000-2008 Yamaha 400cc models
• Manufactured to stringent aftermarket standards

Fits These Machines

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

On-The-Job Use

• Restoring top end on 400cc ATVs
• Trail riding and utility applications
• Engine rebuilds and performance restoration

Specs At A Glance

Good To Know

Q: Does this kit include a piston? A: Yes, it includes a wrist pin and circlips.

Q: Is this a direct replacement? A: This kit is a direct replacement for the OEM top end assembly, but confirm your serial number for fitment.

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