Namura .020 Over Bore Piston Kit for Yamaha Kodiak 450 4x4 Auto 2018-2025 85mm

.020 Over Bore Piston Kit for Yamaha Kodiak 450

This .020 over bore piston kit replaces the factory piston in a Yamaha Kodiak 450 4x4 Auto, providing a precision-machined upgrade to restore engine performance.

Overview

This piston kit is a direct-fit replacement for the Yamaha Kodiak 450 ATV engine, featuring a .020 oversize bore to clean up cylinder wear and restore compression. Ideal for rebuilds or performance upgrades, the kit includes all necessary components for a reliable installation. The piston kit ensures a smooth return to peak power.

Built For Performance

• Made from high-strength aluminum alloy for durability
• Precision-machined to .020 oversize to match worn cylinders
• Includes premium piston rings for optimal seal
• Complete kit with wrist pin and circlips
• Direct replacement for factory piston assembly

Fits These Machines

• for Yamaha Kodiak 450 4x4 Auto (2018-2025)

On-The-Job Use

• Trail riding and recreational ATV use
• Utility work on farms and ranches
• Hunting and outdoor exploration
• Engine rebuilds and performance restoration

Specs At A Glance

Good To Know

Q: Does this piston kit require any machining? A: Yes, the cylinder must be bored to the corresponding oversize dimension by a qualified machine shop before installation.

Q: Can this piston be used with the original cylinder? A: No, it is designed for a .020 over bore and requires the cylinder to be machined to match the new piston diameter.

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