Yamaha YZ 250 F (CG 27) [2008-2009] - WÖSSNER Pro Series forged pistons

WÖSSNER Pro Series forged pistons for Yamaha YZ 250 F

The WÖSSNER Pro Series forged piston is designed for the Yamaha YZ 250 F (CG 27) of the entire 2008-2009 model year range. It thus offers a clearly defined selection for the right engine and the vehicle version mentioned.

Technical features

• Material: aluminum
• Piston Type: Forged
• Piston compression: high compression
• Diameter Ø: 76.97 mm
• Letter oversize: B
• Oversize: +0.01
• Bore diameter: 77.01mm
• Compression ratio: 14.1:1
• Number of piston rings: 2
• Stroke: 2T

Execution

The technical design includes a double forged bridge / gas connection. The piston is specified as a high-density, forged aluminum version. In addition to the vehicle model and the year of manufacture, the diameter of 76.97 mm, the letter B, the oversize information +0.01 and the bore diameter of 77.01 mm are particularly relevant for the selection of parts.

Vehicle assignment

Suitable for Yamaha YZ 250 F (CG 27), built between 2008 and 2009. Before making your selection, please compare the dimensions given and the design with the intended motor.