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

WÖSSNER forged pistons for Yamaha YZ 450 F (CJ 18)

The WÖSSNER forged piston is assigned to the Yamaha YZ 450 F (CJ 18) from the entire 2014-2015 model year range. The version is designed for a bore of 97.01 mm and has the oversize letter B.

Technical features

• Manufacturer: WOSSNER
• Piston Type: Forged
• Material: aluminum
• Diameter Ø: 96.97 mm
• Letter oversize: B
• Oversize: +0.01
• Bore diameter: 97.01mm
• Compression ratio: 12.5:1
• Number of piston rings: 2
• Specificity: 3D shaped crown

Selection and vehicle assignment

The dimensions support targeted selection based on the required piston diameter and the intended oversize. Both the model name and the year of manufacture are crucial for the assignment: This piston is assigned to the Yamaha YZ 450 F (CJ 18), built in 2014-2015.

The 3D shaped crown is part of the design of the piston. Together with the compression ratio of 12.5:1 and the two piston rings, it describes the key technical characteristics of this component. Before making a selection, the existing dimensions and the required oversize should be compared with the engine specifications.