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

This kit includes the big bore cylinder, a hand-matched Vertex piston, and a complete top-end gasket kit with O-rings. It's designed to provide the essential components for a top-end engine rebuild.

What material is the cylinder made from?

The cylinder is constructed from a high-quality 2618 aluminum alloy. This material is chosen for its superior strength and durability, which is important for handling the increased demands of a bigger bore engine.

How does this kit improve engine performance?

By increasing the bore size to 99mm, this kit raises your engine's displacement and allows for more efficient combustion. This results in increased horsepower and a more powerful engine output.

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Specifications

Brand: Cylinder Works
Part #: CW21012-1
UPC: 714205035537

Cylinder Works 19-20 Yamaha WR 450 F 450cc Big Bore Cylinder 99mm

Name: Cylinder Works 19-20 Yamaha WR 450 F 450cc Big Bore Cylinder 99mm
Brand: Cylinder Works
SKU: cylinder-works-cylinder-works-19-20-yamaha-wr-450-f-450cc-big-bore-cylinder-99mm-t14-727257
Price: 515.80 USD
Availability: BackOrder

$515.80

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 19-20 Yamaha WR 450 F 450cc Big Bore Cylinder 99mm. Increases horsepower and engine displacement.

Key Features

Fits 2019-2020 Yamaha WR 450 F.
Increases horsepower and engine displacement.
Constructed from high-quality 2618 aluminum alloy for strength and durability.
Includes a hand-matched Vertex big bore piston.
Comes with a complete top-end gasket kit and O-rings.
Maintains an OEM appearance while offering performance-driven design.

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About this part

Product Details

Cylinder Works is known for making well-built engine components that help riders get more out of their machines. This Big Bore Cylinder Kit is designed for the 2019-2020 Yamaha WR 450 F, taking your 450cc engine up to a full 99mm bore. If you're looking to get more power and a bigger displacement out of your WR 450 F, this kit is a solid option.

This kit includes a Vertex piston that's hand-matched to the cylinder, ensuring a precise fit for optimal performance. You also get a complete top-end gasket kit with O-rings, so you have everything you need for the rebuild. Using a high-quality 2618 aluminum alloy for the cylinder construction means it's strong and built to last, handling the increased demands of a bigger bore. This setup is designed to give you improved horsepower and a noticeable increase in your engine's displacement.

By bundling these essential components, Cylinder Works offers a cost-effective way to upgrade your engine compared to sourcing each part individually from the OEM. This kit provides a performance-driven design that still maintains an OEM appearance.