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 match the original specifications of your Yamaha WR 250 F engine.

What materials are used in this cylinder kit?

The kit includes a cast aluminum cylinder with a nickel silicon carbide (NSC) electroplate bore. It also comes with a Vertex piston and all required gaskets for installation.

Does this kit include everything needed for installation?

This kit includes the cylinder, a Vertex piston, and all necessary gaskets. It's recommended to consult your service manual for any additional components or procedures required for installation.

Specifications

Brand: Cylinder Works
Part #: 20010
UPC: 714205040005

Cylinder Works 15-19 Yamaha WR 250 F 250cc Standard Bore Cylinder 77mm

Name: Cylinder Works 15-19 Yamaha WR 250 F 250cc Standard Bore Cylinder 77mm
Brand: Cylinder Works
SKU: cylinder-works-cylinder-works-15-19-yamaha-wr-250-f-250cc-standard-bore-cylinder-t14-727062
Price: 413.20 USD
Availability: BackOrder

$413.20

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 15-19 Yamaha WR 250 F 250cc Standard Bore Cylinder 77mm. Restores horsepower and performance.

Key Features

Fits 2015-2019 Yamaha WR 250 F.
Restores horsepower and performance.
Includes cast aluminum cylinder, Vertex piston, and necessary gaskets.
Nickel silicon carbide (NSC) electroplate bore allows for tighter tolerances, lower friction, and extreme durability.
Precision diamond honed bore ensures proper ring seal and oil retention.

This cylinder kit is designed for the 2015-2019 Yamaha WR 250 F. Please verify fitment for your specific model year.

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About this part

Product Details

If you're rebuilding the top end of your 2015-2019 Yamaha WR 250 F, this standard bore cylinder kit from Cylinder Works is a solid option to get your engine running like new again. It's designed to replace your original cylinder, bringing back lost horsepower and performance at a competitive price compared to OEM parts.

This kit includes a cast aluminum cylinder from Cylinder Works, a Vertex piston, and all the necessary gaskets to complete the job. The cylinder itself features a nickel silicon carbide (NSC) electroplate bore. This advanced plating allows for tighter tolerances, which means less friction and improved durability. It's also precision diamond honed to exact dimensions, ensuring a proper surface finish for good ring seal and effective oil retention, crucial for engine longevity.