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

WÖSSNER forged pistons for Yamaha YZ 450 F

The WÖSSNER forged piston is designed for the Yamaha YZ 450 F (CJ 22) built in 2018. Its technical characteristics support a targeted selection based on piston diameter, oversize and compression ratio.

Design and technical features

• Material: aluminum
• Piston Type: Forged
• Piston compression: standard
• Diameter Ø: 96.97 mm
• Letter oversize: B
• Oversize: +0.01
• Bore diameter: 97.01mm
• Compression ratio: 12.9:1
• Number of piston rings: 2
• Stroke: 4T
• Specificity: 3D shaped crown

Vehicle assignment

The piston fits the Yamaha YZ 450 F (CJ 22), built in 2018. The assignment to this model and year of manufacture enables the selection to be clearly tailored to the designated vehicle.

Selection note

When selecting parts, the diameter of 96.97 mm, the bore diameter of 97.01 mm, the marking of the oversize with the letter B and the oversize dimension of +0.01 must be taken into account. The standard piston compression dimension and the compression ratio of 12.9:1 complement the key technical data. The forged aluminum version has a 3D shaped crown and is designed with 2 piston rings.