What is the bore size of this cylinder kit?

This is a standard bore cylinder kit with a 77mm bore size. It is designed to replace your original cylinder without requiring any modifications to the engine case.

What is included in this cylinder kit?

The kit comes with a cast aluminum Cylinder Works cylinder, a Vertex piston, and all the gaskets needed for installation. This provides a complete package to restore your engine's performance.

Why is the nickel silicon carbide bore important?

The nickel silicon carbide (NSC) electroplate bore allows for very precise tolerances, which leads to reduced friction and increased durability. It also helps with proper ring seal and oil retention, contributing to better engine performance and longevity.

Specifications

Brand: Cylinder Works
Part #: 20002
UPC: 714205039764

Cylinder Works 01-13 Yamaha WR 250 F 250cc Standard Bore Cylinder 77mm

Name: Cylinder Works 01-13 Yamaha WR 250 F 250cc Standard Bore Cylinder 77mm
Brand: Cylinder Works
SKU: cylinder-works-cylinder-works-01-13-yamaha-wr-250-f-250cc-standard-bore-cylinder-t14-722018
Price: 376.15 USD
Availability: BackOrder

$376.15

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 01-13 Yamaha WR 250 F 250cc Standard Bore Cylinder 77mm. Restores horsepower and performance.

Key Features

Fits 2001-2013 Yamaha WR 250 F.
Includes a cast aluminum Cylinder Works cylinder, Vertex Piston, and necessary gaskets.
Features a nickel silicon carbide (NSC) electroplate bore for tighter tolerances and lower friction.
The bore is diamond honed for precise dimensions and proper ring seal and oil retention.
Restores original horsepower and performance to your engine.

This Cylinder Works cylinder kit is designed for the 2001 through 2013 model years of the Yamaha WR 250 F.

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About this part

Product Details

This is a standard bore cylinder kit from Cylinder Works, designed for your 2001-2013 Yamaha WR 250 F. It's built to bring back the horsepower and performance your engine had when it was new. If your WR 250 F's cylinder is worn out, this kit is a solid option to get it running right again.

The kit includes a cast aluminum cylinder, a Vertex piston, and all the gaskets you'll need to complete the job. What really sets this cylinder apart is its nickel silicon carbide (NSC) electroplate bore. This advanced plating allows for very precise tolerances, which means less friction and a cylinder that's built to last. It's also diamond honed to exact dimensions, ensuring your piston rings seal properly and retain oil, which is crucial for engine health and performance.

Compared to buying a new OEM cylinder, this kit offers a competitive price point while still giving you a well-built component that's ready to go. You'll be able to get your WR 250 F back on the trail with renewed power.