Yamaha WR 250 F (CG 36) [2015] - WÖSSNER Pro Series forged pistons

WÖSSNER Pro Series forged pistons for the Yamaha WR 250 F

The WÖSSNER Pro Series forged piston is designed as a forged aluminum version and is designed for the Yamaha WR 250 F (CG 36) built in 2015. Its technical dimensions and characteristics support a targeted selection of the right engine structure.

Design and technical data

• Material: aluminum
• Piston Type: Forged
• Specificity: Forged double bridge
• Diameter Ø: 76.95 mm
• Letter oversize: A
• Oversize: STD
• Bore diameter: 77.00 mm
• Compression ratio: 13.7:1
• Rings Quantity: 2
• Stroke: 2T

Vehicle assignment

The forged piston is intended for the Yamaha WR 250 F (CG 36), built in 2015. The assignment refers to this complete vehicle type and the specified year of manufacture.

Selection guide

The piston diameter of 76.95 mm, the bore diameter of 77.00 mm and the marking with the letter A are particularly relevant for the selection of parts. In addition, the compression ratio of 13.7:1, the design as a forged double bridge and the specification of two piston rings provide the key technical data of this piston.

The designation “Oversize: STD” and the information “Stroke: 2T” are part of the technical specification. If the vehicle, year of manufacture and the dimensions listed match the intended use, the piston can be clearly selected based on these characteristics.