Cylinder Works Standard Bore Cylinder Kit 20010-K02 for Yamaha YZ250F/FX

Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders

Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noise

Nickel Silicon Carbide plated for long life

Kits come complete with gaskets, cylinder, piston, rings, pin and clips

Upgrade the top-end performance and serviceability of your Yamaha YZ250F or YZ250FX with the Cylinder Works Standard Bore Cylinder Kit, part number 20010-K02. Designed as a direct-fit replacement solution, this kit is suited for restoring reliable cylinder performance during engine rebuilding, maintenance, or top-end service. The standard-bore configuration preserves the original engine displacement while providing a practical replacement for a worn or damaged cylinder assembly.
The Cylinder Works 20010-K02 kit is manufactured for compatibility with select Yamaha four-stroke motocross and off-road applications. Its application-specific design helps simplify installation and supports proper fitment with the related factory engine components. This makes it a useful choice for riders, technicians, and powersports professionals seeking dependable replacement parts from a recognized motorcycle engine component brand.
Before ordering, verify the model year and exact application to ensure compatibility with your Yamaha YZ250F or YZ250FX. Professional installation is recommended, along with inspection of mating engine components and replacement of related wear items as needed. Follow the motorcycle manufacturer's service procedures and torque specifications during assembly to help ensure proper operation and long-term reliability.

Features:

• Brand: Cylinder Works

• Part Number: 20010-K02

• Product Type: Standard bore cylinder kit

• Application: Yamaha YZ250F and YZ250FX motorcycles

• Configuration: Direct-fit replacement for compatible factory engine components

• Use: Top-end rebuilding, engine maintenance, and cylinder replacement

• Displacement: Maintains the original standard-bore engine configuration