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

This kit includes a big bore cylinder, a hand-matched Vertex big bore piston, and a complete top-end gasket kit with O-rings. It's designed to be an all-in-one solution for your engine rebuild.

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

The cylinder is made from a 2618 aluminum alloy. This material is chosen for its superior strength and durability, which is important for handling the increased demands and heat generated by a bigger bore engine.

Will this kit change the appearance of my Yamaha YFZ450R's engine?

While this kit is performance-driven, it is designed to maintain an OEM appearance. This means it should look very similar to your original cylinder, blending in with the rest of your engine components.

2009-2019 Yamaha YFZ450R Big Bore Cylinder Kit

Name: Cylinder Works 2017 Yamaha YFZ 450 Big Bore Cylinder Kit
Brand: Cylinder Works
SKU: cylinder-works-cylinder-works-2017-yamaha-yfz-450-big-bore-cylinder-kit-t14-621053
Price: 830.25 USD
Availability: InStock

Cylinder Works 2017 Yamaha YFZ 450 Big Bore Cylinder Kit

$830.25

Only 1 left in stock

Fits 2009-2019 Yamaha YFZ450R. Cylinder Works Big Bore Cylinder Kit increases horsepower and engine displacement.

Key Features

Fits 2009-2019 Yamaha YFZ450R and 2010-2011 Yamaha YFZ450X.
Constructed from a strong 2618 aluminum alloy for durability.
Increases horsepower and engine displacement for improved performance.
Includes a hand-matched big bore Vertex piston.
Comes with a top-end gasket kit and O-rings for a complete installation.
Designed to maintain an OEM appearance while enhancing performance.

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Product Details

If you're looking to get more power out of your 2009-2019 Yamaha YFZ450R, this Big Bore Cylinder Kit from Cylinder Works is a solid option. This kit is designed to increase your engine's displacement and horsepower, giving you that extra edge you're looking for. It's built to look like the original cylinder but offers performance gains that make a real difference on the trail or track.

Inside this kit, you'll find a Vertex big bore piston that's been carefully matched to the cylinder. This ensures a precise fit and optimal performance right out of the box. The cylinder itself is constructed from a well-built 2618 aluminum alloy, chosen for its strength and ability to handle the increased demands of a bigger bore engine. This material choice helps ensure durability and consistent performance over time.

Purchasing this kit means you're getting a complete package that includes the big bore cylinder, the matched Vertex piston, and a top-end gasket kit with O-rings. This all-in-one approach simplifies the rebuild process and can be more cost-effective than sourcing each component separately from the OEM. It's a comprehensive solution for anyone wanting to boost their YFZ450R's power output.