Cylinder Works Ø66.4mm CylinderRef : CYW00003A / 1018895

CYLINDER WORKS - Cylinder Ø66.4mm (Ref. 20009)
Quickly replace the damaged cylinder of your 250 cross with this bare Cylinder Works cylinder, designed for direct fitting in place of the original. Intended for motocross riders looking for a reliable replacement part, it combines precise machining and selected materials to ensure durability over time.

• Standard cylinder Ø66.40 mm
• Standard compression, OEM type
• Surface treatment improving thermal resistance
• Direct replacement for the damaged cylinder
• Delivered bare — piston, rings, and gaskets required
• Precision machining for appropriate clearance and sealing

Whether you are preparing for a rebuild after a crash or a mechanical repair, this cylinder is aimed at cross practices where reliability and compatibility are essential. Its finish and surface treatment help limit wear while facilitating thermal dissipation during intensive use on the track.

Main compatibilities:

• YAMAHA YZ 250 (2026 - 250 cm3)
• FANTIC XX 250 (2026 - 250 cm3)
• YAMAHA YZ 250 (CG23) (2023 - 250 cm3)