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) built between 2008 and 2009. This allows the piston to be selected specifically based on the vehicle, year of manufacture and the specified dimensions.

Design and piston compression

The piston is made of aluminum and is forged. The piston compression is specified as high compression. The compression ratio is 14.1:1. A diameter of 76.96 mm and a bore diameter of 77.00 mm are available for the assignment.

Technical data

• Brand: WOSSNER
• Piston Type: Forged
• Material: aluminum
• Piston compression: high compression
• Diameter Ø: 76.96 mm
• Bore diameter: 77.00 mm
• Compression ratio: 14.1:1
• Rings Quantity: 2
• Letter oversize: A
• Oversize: STD

Vehicle assignment

Suitable for the Yamaha YZ 250 F (CG 27), built between 2008 and 2009. The selection should be made based on this complete vehicle assignment as well as the dimensions and markings mentioned.

Selection note

Before ordering, the diameter Ø of 76.96 mm, the bore diameter of 77.00 mm, the compression ratio of 14.1:1 and the markings A and STD must be compared with the intended use. This means that the specified piston version can be clearly assigned to the specified Yamaha model.