What is the main benefit of this big bore kit?

This kit allows you to increase the engine displacement of your 2009-2015 Kawasaki KX450F from stock to 490cc. This typically results in more power and torque.

What materials are used in the cylinder and piston?

The kit includes a 100mm aluminum cylinder with a galvanic coating. The forged piston comes with a molybdenum coating.

Does this kit come with everything needed for the big bore conversion?

This kit includes the 100mm cylinder, a forged piston, and the necessary gasket set for the big bore conversion. Always refer to the manufacturer's instructions for any additional parts or procedures.

Athena

Athena 09-15 Kawasaki KXF 450 490cc 100mm Big Bore Cylinder Gasket Kit

Name: Athena 09-15 Kawasaki KXF 450 490cc 100mm Big Bore Cylinder Gasket Kit
Brand: Athena
Price: 82.39 USD
Availability: InStock

$82.39

Fits 2009-2015 Kawasaki KX450F. This Athena big bore gasket kit lets you upgrade to 490cc with a 100mm cylinder.

Key Features

Direct fit — verified for 2009-2015 Kawasaki KX450F
Big Bore Upgrade — Increases displacement to 490cc with a 100mm cylinder.
Forged Piston — Features a molybdenum coating for better performance.
Galvanic Coating — Aluminum cylinder design for durability.

Fits this vehicle

Kawasaki KX450F 2009-2015

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Product Details

This Athena gasket kit is for a 490cc big bore upgrade on your 2009-2015 Kawasaki KX450F. It includes a 100mm aluminum cylinder with a galvanic coating and a forged piston with a molybdenum coating.