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

WÖSSNER Pro Series forged pistons for Yamaha WR 250 F

The WÖSSNER Pro Series forged piston is designed for the Yamaha WR 250 F (CG 36), built in 2015. The aluminum version has a forged piston type and is assigned to the top engine category. The component is therefore aimed at selection within the upper engine range.

Dimensions and design

The specified piston and bore dimensions are decisive for the assignment. The piston diameter is 76.96 mm. The version has the letter B for oversize and is specified as oversize with +0.01. The bore diameter is 77.01 mm.

• Material: aluminum
• Piston Type: Forged
• Diameter Ø: 76.96 mm
• Letter oversize: B
• Oversize: +0.01
• Bore diameter: 77.01mm
• Compression ratio: 13.7:1
• Number of rings: 2
• Stroke: 2T
• Specificity: Forged double bridge

Vehicle assignment

The forged piston is suitable for the Yamaha WR 250 F (CG 36) built in 2015. The vehicle assignment refers to this complete model and year range.

Selection note

Before ordering, the specified letter B, the oversize +0.01 and the piston and bore diameter should be compared with the intended engine structure. This means you can choose the design based on the specific dimensions.