Yamaha WR 250 F (CG 26) [2007] - WÖSSNER forged pistons

WÖSSNER forged pistons for the Yamaha WR 250 F

The WÖSSNER forged piston is designed for the Yamaha WR 250 F (CG 26), built in 2007. As a forged aluminum version, the piston has a specific double bridge. The specified dimension and design data support a precise selection of the intended motor.

Technical features

• Material: aluminum
• Piston Type: Forged
• Specificity: Forged double bridge
• Diameter Ø: 76.97 mm
• Letter oversize: B
• Oversize: +0.01
• Bore diameter: 77.01mm
• Compression ratio: 13.5:1
• Rings Quantity: 3

Suitable for

The forged piston is assigned to the Yamaha WR 250 F (CG 26) in the full 2007 model year range. The specified piston diameter, the B oversize, the oversize dimension and the bore diameter are particularly important for the selection.

Version for the upper engine area

With the forged design, the aluminum material and the double bridge specification, the essential design features are clearly defined. The compression ratio of 13.5:1 and the three piston rings are among the relevant technical characteristics of this piston. Before ordering, the vehicle model, year of manufacture and the dimensions listed should be compared with the existing engine.