Yamaha YZ 450 F (CJ 22) [2018] - WÖSSNER forged pistons

WÖSSNER forged pistons for Yamaha YZ 450 F (CJ 22)

The WÖSSNER forged piston is designed as a replacement component for the Yamaha YZ 450 F (CJ 22), built in 2018. The design combines a forged piston type with a 3D molded crown and standard piston compression.

Design and technical features

• Material: aluminum
• Piston Type: Forged
• Piston compression: standard
• Diameter Ø: 96.96 mm
• Letter oversize: A
• Oversize: STD
• Bore diameter: 97.00 mm
• Compression ratio: 12.9:1
• Number of rings: 2
• Stroke: 4T
• Specificity: 3D shaped crown

Vehicle assignment

The piston is assigned to the Yamaha YZ 450 F (CJ 22) in the full 2018 model year range. This allows the selection to be tailored specifically to this model and year of manufacture.

Selection guide

The specified diameter of 96.96 mm, the bore diameter of 97.00 mm and the markings “A” and “STD” are particularly relevant for the assignment. The compression ratio is 12.9:1. Before selection, these technical values ​​should be compared with the intended engine structure.