Yamaha WR 450 F (CJ 13) [2008-2011] - WÖSSNER Pro Series forged pistons

WÖSSNER Pro Series forged pistons for Yamaha WR 450 F

The WÖSSNER Pro Series forged piston is designed as a replacement and tuning component for the Yamaha WR 450 F (CJ 13) built between 2008 and 2011. Its aluminum design and forged design combine the verified design features of this piston into a precisely defined engine component.

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 13), built between 2008 and 2011. The information on oversize, diameter and bore diameter supports the selection based on the existing motor version.

Selection note

Before ordering, compare version B, the dimensions of 94.97 mm and 95.01 mm and the compression ratio of 13.5:1 with the requirements of your engine. This means you can specifically select the right piston specification for the Yamaha WR 450 F mentioned.