Yamaha YZ 250 (CG 20) [2005] - Piston kit

VERTEX piston kit for Yamaha YZ 250 (CG 20), built in 2005

The VERTEX piston kit is designed for overhauling the upper engine area of the Yamaha YZ 250 (CG 20), built in 2005. As a top-end kit, it bundles the components relevant to the replacement around the piston, the piston seal and the piston pin. This means that the parts required for this work can be put together in a coordinated set.

Function and scope of delivery

• Cast aluminum piston
• 2 piston rings
• Piston pin
• safety clips
• Top end gasket kit
• Needle bearings for two-stroke applications

The included gasket set covers the upper engine area. The needle bearing complements the scope of delivery to match the specified two-stroke version.

Technical data

• Material: aluminum
• Piston Type: Cast
• Piston compression: standard
• Diameter Ø: 66.37 mm
• Letter oversize: D
• Bore diameter: 66.400000000000006 mm
• Rings Quantity: 2
• Stroke: 2T

Vehicle assignment

The piston kit is assigned to the Yamaha YZ 250 (CG 20) with the complete 2005 model year range. When making the selection, the specified piston diameter, the oversize letter D and the bore diameter must be taken into account in particular.