What is a Big Bore cylinder kit?

A Big Bore kit replaces your stock cylinder with a larger one, increasing the engine's displacement. This generally results in more horsepower and torque.

What is the galvanic coating on the cylinder?

The galvanic coating on the aluminum cylinder helps with heat dissipation and wear resistance, contributing to the longevity of the component.

Can this kit be shipped to California?

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

Athena

Athena 10-17 Honda CRF 250 R Big Bore Complete Cylinder Kit

Name: Athena 10-17 Honda CRF 250 R Big Bore Complete Cylinder Kit
Brand: Athena
Price: 1033.05 USD
Availability: InStock

$1033.05

Worn-out cylinders cause engine problems. This Athena Big Bore Cylinder Kit is a direct fix for your 2010-2017 Honda CRF250R.

Key Features

Direct fit — verified for 2010-2017 Honda CRF250R
Big Bore displacement — increases engine size for more power
Aluminum cylinder with galvanic coating — durable and heat-resistant
Forged piston with molybdenum coating — strong and reduces friction

Fits this vehicle

Honda CRF250R 2010-2017

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Product Details

Worn-out cylinders cause engine problems. This Athena Big Bore Cylinder Kit is a direct fix for your 2010-2017 Honda CRF250R. It replaces your stock cylinder with a larger one, increasing displacement for more power.

This kit includes an aluminum cylinder with a galvanic coating. The forged piston comes with a molybdenum coating. This setup is built for performance and durability.