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

PROX forged pistons for Yamaha YZ 450 F (CJ 22), built in 2018

The PROX forged piston is designed for the Yamaha YZ 450 F (CJ 22) built in 2018. Its forged aluminum design combines a precisely defined piston shape with standard compression and OEM quality. The aluminum alloy used is designed for reduced friction and high reliability.

Function and execution

With a diameter of 96.95 mm, the piston is tailored to the specified engine application. The flat crown with raised top part and 4 valve pockets takes into account the design requirements of the 4-stroke engine. The standard version is suitable for repairs within the specified specification.

Technical data

• Brand: PROX
• Piston Type: Forged
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 96.95 mm
• Letter oversize: A
• Oversize: STD
• Rings Quantity: Set
• Stroke: 4T
• Specificity: Flat crown with raised top / 4 valve pockets

Vehicle assignment

Suitable for the Yamaha YZ 450 F (CJ 22), built in 2018. The assignment refers to this model and this complete year range.