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. Its technical characteristics support a precise selection of the right engine structure.

Technical features

• Material: aluminum
• Piston Type: Forged
• Diameter Ø: 76.95 mm
• Bore diameter: 77.00 mm
• Letter oversize: A
• Oversize: STD
• Compression ratio: 14.5:1
• Number of piston rings: 2
• Stroke: 2T

Execution

The Pro Series version features a double forged bridge, gas ports and a 3D crown. These features, along with the specified dimensions and compression ratio, must be taken into account when selecting the piston.

Vehicle assignment

The forged piston is intended for the following vehicle:

• Yamaha WR 250 F (CG 36), built in 2015

Factual information on selection

Before ordering, compare the specified diameter of 76.95 mm, the bore diameter of 77.00 mm and the “A” and “STD” markings with the requirements of your engine. The compression ratio of 14.5:1 and the design with 2 piston rings are also among the relevant technical selection criteria.