What is the benefit of the galvanic coating on the cylinder?

The galvanic coating on the aluminum cylinder helps with heat transfer, allowing the engine to run cooler. It also adds a layer of durability to the cylinder walls.

Does this kit come with everything needed for installation?

Yes, this is a complete cylinder kit. It includes the cylinder and piston, along with other necessary components for installation as a set.

Can this cylinder kit be shipped to California?

No, this kit is not CARB approved and cannot be shipped to California due to emissions regulations.

Athena

Athena 20-21 Yamaha YZ 125 X Big Bore Complete Cylinder Kit

Name: Athena 20-21 Yamaha YZ 125 X Big Bore Complete Cylinder Kit
Brand: Athena
Price: 1014.23 USD
Availability: InStock

$1014.23

Fits 2005-2021 Yamaha YZ125. This Athena Big Bore Complete Cylinder Kit uses an aluminum cylinder with a galvanic coating and a forged piston with molybdenum coating for improved performance.

Key Features

Direct fit — verified for 2005-2021 Yamaha YZ125
Aluminum cylinder with galvanic coating — offers good heat transfer and durability
Forged piston with molybdenum coating — designed for strength and reduced friction
Big bore design — increases engine displacement for improved power output
Complete kit — includes all necessary components for installation

Fits this vehicle

Yamaha YZ125 2005-2021

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Product Details

Aluminum cylinder with galvanic coating and forged piston with molybdenum coating. This Athena Big Bore Complete Cylinder Kit, part number P400485100030, is built for the 2005-2021 Yamaha YZ125. It's a direct replacement that increases displacement for more power.