Yamaha YZ 250 F (CG 21) [2005] - WÖSSNER forged pistons

WÖSSNER forged pistons for Yamaha YZ 250 F (CG 21) [2005]

The WÖSSNER forged piston is designed for the Yamaha YZ 250 F (CG 21) built in 2005. It therefore offers a clearly defined selection for the engine overhaul of this vehicle. The forged piston design with double bridge combines the relevant design features in a precisely specified component.

Technical features

• Material: aluminum
• Piston Type: Forged
• Specificity: Forged double bridge
• Diameter Ø: 76.96 mm
• Letter oversize: A
• Oversize: STD
• Bore diameter: 77.00 mm
• Compression ratio: 13.5:1
• Rings Quantity: 3

Vehicle assignment

The piston is assigned to the Yamaha YZ 250 F (CG 21), built in 2005. The vehicle selection should be based on this complete model and year of manufacture.

Execution for selection

For the technical classification, the focus is on the piston diameter of 76.96 mm, the bore diameter of 77.00 mm and the compression ratio of 13.5:1. In addition, the letter oversize A, the indication STD and the version with 3 rings indicate the specific specification of this piston.