Cylinder Kit - BBX Cylinder YZ250F 21-23

All cylinders are entirely designed in Italy by Athena's R&D department, which has solid in-house know-how and state-of-the-art tools to design and test each component.
Coated with motor-nicksil, a nickel-silicon coating developed by Athena for smoothness and wear resistance.
The Athena Standard Bore cylinder kit guarantees the same performance as original spares, maximum reliability and smoothness thanks to the lightweight aluminium cylinder, nickel-silicon coated sleeve and piston designed to reduce friction
The kit includes the high-quality aluminium cylinder with standard bore, the complete piston assembly with pin and rings, and all necessary gaskets.
Bore Gain (mm): +8



Specifications


Brand
ATHENA


Supplier reference
P400485100105


Engine capacity
300 cc


Cylinder Dimensions
85,00 mm


Material
Aluminium


Product name
Cylinder Kit


Cylinder wall coating
Carburo de níquel-silicio


Compression ratio
13,3:1


Engine type
4-stroke


Units
Kit