What is included in this cylinder kit?

This Athena cylinder kit includes the aluminum cylinder with galvanic coating and a forged piston featuring a molybdenum coating. It is designed to replace your stock cylinder and piston.

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.

What is the benefit of the molybdenum coating on the piston?

The molybdenum coating on the forged piston helps to reduce friction between the piston and the cylinder wall. This can lead to improved durability and potentially better performance over time.

Athena

Athena 15-18 Yamaha WR 250 F Stock Bore Cylinder Kit

Name: Athena 15-18 Yamaha WR 250 F Stock Bore Cylinder Kit
Brand: Athena
Price: 640.60 USD
Availability: InStock

$640.60

Worn-out cylinders cause power loss. This Athena cylinder kit is a direct fix for your 2014-2018 Yamaha YZ250F or 2015-2018 WR250F.

Key Features

Direct fit — verified for Yamaha YZ250F (2014-2018) and WR250F (2015-2018)
Aluminum cylinder with galvanic coating — built for longevity
Forged piston with molybdenum coating — reduces friction and wear
Restores lost power and performance

Fits these vehicles

Yamaha WR250F 2015-2018
Yamaha YZ250F 2014-2018

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Product Details

Worn-out cylinders cause power loss. This Athena P400485100049 stock bore cylinder kit is a direct fix for your 2014-2018 Yamaha YZ250F or 2015-2018 WR250F. It replaces the original cylinder with a well-built aluminum unit designed to restore lost performance.

This kit includes a forged piston with a molybdenum coating, which helps reduce friction and wear. The aluminum cylinder itself features a galvanic coating for durability.