Description
Cylinder Works big bore cylinder kit for Yamaha YZ250F (2019-2027) increases engine displacement with a new plated cylinder, a hand-matched forged Vertex piston and top-end gaskets. The matched kit provides the core parts for a big-bore top-end build.
- Part number: CW21013K01
- Product type: Big Bore Cylinder Kit
- Application: Yamaha YZ250F (2019-2027)
- Bore: 80mm
- Compression ratio: 13.8:1
- Includes: Cylinder, piston kit and top-end gasket kit
- Build note: No machine work is listed as required for this kit
- Build note: Top-end gasket kit does not include valve-stem seals
Fitment and installation: Confirm the exact model, year, bore, compression ratio and included components before ordering. Professional measurement and assembly are recommended for engine work.
Updated Fitment Through 2027
Yamaha YZ250F 2019-2027.
- Brand: Cylinder Works