Yamaha YZ 250 (CG 23) [2006-2023] - Piston kit

VERTEX piston kit for Yamaha YZ 250 (CG 23)

The VERTEX piston kit supports the overhaul of the upper engine area on the Yamaha YZ 250 (CG 23) in the full model year range from 2006 to 2023. As a top-end kit, it bundles the parts intended for replacing the piston and associated components.

Function and scope of delivery

The kit is designed for a two-stroke application and includes the cast aluminum piston, piston rings, piston pins, locking clips, a top-end seal kit and the piston pin needle bearing. This means that the components mentioned are available in a kit for work on the upper engine area.

• Aluminum piston
• Piston type: cast
• Piston compression: standard
• 2 piston rings
• Piston pins and safety clips
• Top end gasket kit
• Needle bearings for two-stroke applications

Technical data

• Diameter Ø: 66.37 mm
• Bore diameter: 66.400000000000006 mm
• Letter oversize: D
• Stroke: 2T

Vehicle assignment

The VERTEX piston kit is assigned to the Yamaha YZ 250 (CG 23), built between 2006 and 2023. The vehicle assignment refers to this complete year range.