Yamaha YZ 450 F (CJ 18) [2014-2015] - WÖSSNER Pro Series forged pistons

WÖSSNER Pro Series forged pistons for Yamaha YZ 450 F

The WÖSSNER Pro Series forged piston is assigned to the Yamaha YZ 450 F (CJ 18) built in 2014-2015. The design combines a forged aluminum piston with a 3D molded crown and “gas passage” specification.

Technical features

• Piston Type: Forged
• Material: aluminum
• Diameter Ø: 96.97 mm
• Letter oversize: B
• Oversize: +0.01
• Bore diameter: 97.01mm
• Compression ratio: 13.5:1
• Rings Quantity: 2
• Specificity: Gas passage / 3D shaped crown

Selection and vehicle assignment

When selecting, the vehicle model, year of manufacture and the specified dimensional data must be taken into account. This forged piston is assigned to the Yamaha YZ 450 F (CJ 18), built in 2014-2015. The diameter of 96.97 mm, the oversize +0.01, the letter B and the bore diameter of 97.01 mm serve for clear technical classification.

Technical execution

The compression ratio is 13.5:1. The piston crown is 3D shaped; In addition, the version with “gas passage” is specified. Two piston rings are part of the technical design of this piston.