Yamaha WR 450 F (CJ 12) [2007] - WÖSSNER Pro Series forged pistons

WÖSSNER Pro Series forged pistons for Yamaha WR 450 F

The WÖSSNER Pro Series forged piston is designed for the Yamaha WR 450 F (CJ 12), built in 2007. The design combines a forged piston type with the specified aluminum material and high compression.

Technical features

• Material: aluminum
• Piston type: forged
• Piston compression: highly compressed
• Diameter Ø: 94.97 mm
• Letter oversize: B
• Oversize: +0.01
• Bore diameter: 95.01mm
• Compression ratio: 13.5:1
• Number of piston rings: 2

Vehicle assignment

The forged piston is assigned to the Yamaha WR 450 F (CJ 12) from 2007. The vehicle name thus supports a targeted selection based on model, type and year of manufacture.

Selection based on measurements

The piston diameter of 94.97 mm, the bore diameter of 95.01 mm, the oversize letter B and the oversize dimension +0.01 are particularly relevant for identifying the appropriate version. The compression ratio is 13.5:1. These technical values ​​enable comparison with the required engine dimensions.

The Pro Series version has two piston rings. Before making a selection, the diameter, oversize and compression data mentioned should be compared with the intended application on the Yamaha WR 450 F (CJ 12), built in 2007.