Yamaha WR 450 F (CJ 12) [2007] - forged pistons

PROX forged pistons for the Yamaha WR 450 F (CJ 12) from 2007

The PROX forged piston is assigned to the Yamaha WR 450 F (CJ 12), built in 2007. Its forged aluminum design and special alloy are designed to minimize friction and thus support reliable piston function.

Function and execution

As part of the upper engine area, the piston works in the cylinder and transmits the combustion movement. The standard compression makes the selection for the specified vehicle assignment easier. The design as a hollow piston with 5 valve pockets takes into account the specified piston shape and valve configuration.

Technical data

• Brand: PROX
• Piston Type: Forged
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 94.96 mm
• Letter oversize: B
• Oversize: +0.01
• Rings Quantity: Set
• Stroke: 4T
• Specificity: hollow piston / 5 valve pockets

Vehicle assignment

The forged piston fits the Yamaha WR 450 F (CJ 12), built in 2007. When making the selection, the diameter Ø 94.96 mm, the letter Oversize B and the marking Oversize +0.01 should be taken into account.