What is included in this big bore cylinder kit?

This kit comes with a hand-matched Vertex big bore piston, a complete top-end gasket kit, and all the necessary O-rings for installation.

What is the main benefit of installing this cylinder kit?

The primary benefit is increased horsepower and engine displacement, thanks to the larger 98mm bore which brings the engine up to 450cc.

What material is the cylinder made from?

The cylinder is constructed from a 2618 aluminum alloy, which is known for its strength and durability.

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Specifications

Brand: Cylinder Works
Part #: 21003-1
UPC: 714205035247

Cylinder Works 07-15 Yamaha WR 450 F 450cc Big Bore Cylinder 98mm

Name: Cylinder Works 07-15 Yamaha WR 450 F 450cc Big Bore Cylinder 98mm
Brand: Cylinder Works
SKU: cylinder-works-cylinder-works-07-15-yamaha-wr-450-f-450cc-big-bore-cylinder-98mm-t14-722741
Price: 458.80 USD
Availability: BackOrder

$458.80

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 07-15 Yamaha WR 450 F 450cc Big Bore Cylinder 98mm. Increases horsepower and engine displacement.

Key Features

This kit includes a hand-matched Vertex big bore piston, a top-end gasket kit, and O-rings.
The cylinder has a 98mm bore, increasing engine displacement to 450cc.
Made from a strong 2618 aluminum alloy for durability.
Designed to increase horsepower and engine displacement.
Offers cost savings compared to purchasing OEM components separately.

This Cylinder Works big bore cylinder kit is designed for 2007-2015 Yamaha WR 450 F models.

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About this part

Product Details

This kit from Cylinder Works gives you a hand-matched Vertex big bore piston, a top-end gasket kit, and all the necessary O-rings, all in one package. It's designed to look like your original cylinder but perform much better, giving you more horsepower and a larger engine displacement. You get a cost savings compared to buying these parts separately from the OEM.

The cylinder itself is made from a well-built 2618 aluminum alloy. This material is chosen for its strong build and how long it holds up. By increasing the engine's displacement to 450cc with a 98mm bore, you'll notice a definite boost in power and overall performance from your Yamaha WR 450 F.