Athena Stock Bore Cylinder Top End Kit With 13.5:1 Skirt Coated Forged Piston Kit!
This is the best and most reliable rebuild kit on the market!
Fits Yamaha YZ250F Dirt Bikes
Years 2016 2017 2018 ONLY
This Kit Includes:
- Athena Nikasil Stock Bore Cylinder
- Larger Water Jackets For Better Cooling!
- Athena Forged & Coated Piston Kit (Includes, Piston, Pin, Rings & Clips)
- Athena Complete Top End Gasket Set With MLS Head Gasket
- Hi Temp Viton Valve Stem Seals
It will work with your stock head and valves. All parts come with warranty.
We ship worldwide & ship all domestic orders free!