Yamaha YZ 450 F (CJ 21) [2016-2017] - WÖSSNER forged pistons

WÖSSNER forged pistons for Yamaha YZ 450 F (CJ 21)

The WÖSSNER forged piston is designed as an aluminum piston for the Yamaha YZ 450 F (CJ 21) built in 2016-2017. The forged design and 3D shaped crown are among the featured features of this piston.

Technical features

• Material: aluminum
• Piston Type: Forged
• Diameter Ø: 96.96 mm
• Letter oversize: A
• Oversize: STD
• Bore diameter: 97.00 mm
• Compression ratio: 12.5:1
• Rings Quantity: 2
• Specificity: 3D shaped crown

Vehicle assignment

This WÖSSNER forged piston is assigned to the Yamaha YZ 450 F (CJ 21), built in 2016-2017. The vehicle name and the complete year range support the targeted selection for this model.

Selection guide

The specified diameter of 96.96 mm, the bore diameter of 97.00 mm, the oversize letter A and the Oversize STD marking are particularly relevant for checking before ordering. In addition, the compression ratio of 12.5:1 shows the intended technical value.

The design with two rings and 3D-shaped crown complements the technical characteristics of the forged piston. Make your selection based on the Yamaha model name, year of manufacture and dimensions listed.