What exactly is included in the Cylinder Works Big Bore Cylinder Kit?

This kit contains a hand-matched big bore Vertex piston, a complete top-end gasket kit, and all the necessary O-rings. It's designed to be an all-in-one solution for upgrading your engine's displacement.

What material is the cylinder made from and why is it important?

The cylinder is constructed from a high-quality 2618 aluminum alloy. This material is chosen for its superior strength and durability, which is essential for handling the increased stresses of a larger displacement engine.

Does this kit require any special tools or modifications for installation?

While the kit is designed to look like the stock cylinder for a more straightforward installation, it's always recommended to refer to the manufacturer's installation instructions. Proper torque specifications and procedures are crucial for optimal performance and engine longevity.

Specifications

Brand: Cylinder Works
Part #: CW11011K01
UPC: 714205041934

Cylinder Works 18-21 Honda CRF 250 R 250cc +3mm Big Bore Cylinder Kit 270cc

Name: Cylinder Works 18-21 Honda CRF 250 R 250cc +3mm Big Bore Cylinder Kit 270cc
Brand: Cylinder Works
SKU: cylinder-works-cylinder-works-18-21-honda-crf-250-r-250cc-3mm-big-bore-cylinder--t14-727215
Price: 748.55 USD
Availability: BackOrder

$748.55

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Cylinder Works 18-21 Honda CRF 250 R 250cc +3mm Big Bore Cylinder Kit 270cc. Increases horsepower and engine displacement.

Key Features

This kit includes a big bore Vertex piston and a top-end gasket kit with O-rings.
The cylinder is made from a high-quality 2618 aluminum alloy for strength and durability.
Increases engine displacement by 3mm, resulting in a 270cc engine.
Designed to provide increased horsepower and engine displacement.
OEM in appearance, but performance-driven in design.

This kit is designed for Honda CRF 250 R models from 2018 to 2021.

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About this part

Product Details

This kit from Cylinder Works gives you everything you need to increase the displacement of your Honda CRF 250 R to 270cc. Inside this all-in-one package, you'll find a hand-matched big bore Vertex piston, a top-end gasket kit, and all the necessary O-rings. This setup is designed to look like your stock cylinder but perform with more power, offering a cost-effective way to boost your engine's output compared to buying individual OEM parts.

The cylinder itself is constructed from a high-quality 2618 aluminum alloy. This material choice is important because it offers strong durability and is well-suited for the increased stresses that come with a larger displacement engine. By increasing the engine's displacement by 3mm, this kit directly translates to more horsepower and a more potent powerband for your CRF 250 R. It's a solid option if you're looking to get more performance out of your bike without drastically altering its appearance.

When installing this kit, remember that it's designed to be a direct replacement for your stock cylinder, making the process more straightforward. Ensure you follow the manufacturer's recommended installation procedures and torque specifications to get the most out of the new components and maintain engine integrity.