Yamaha YZ 450 F (CJ 10) [2006-2009] - forged pistons

PROX forged pistons for Yamaha YZ 450 F

The PROX forged piston is designed for the Yamaha YZ 450 F in the full year range from 2006 to 2009. Its forged aluminum design combines the defined piston geometry with a standard piston compression tailored to the intended use.

Technical features

• 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

Design and selection

The marking with the letter B, the diameter of 94.96 mm and the oversize specification +0.01 support the targeted selection within the specified piston version. The hollow piston shape with 5 valve pockets describes the design specification of this PROX piston.

PROX forged pistons are made from a special alloy that minimizes friction for high reliability. The combination of aluminum, forged construction and standard piston compression is based on the specified Yamaha YZ 450 F from 2006 to 2009.

Vehicle assignment

Suitable for Yamaha YZ 450 F, years 2006-2009.