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

PROX forged pistons for the Yamaha YZ 450 F

The PROX forged piston is intended for the Yamaha YZ 450 F (CJ 10) from the 2006-2009 model year range. Its forged piston design and aluminum design combine the proven technical characteristics of this engine component with a precise selection according to the specified dimensions.

Function and execution

PROX forged pistons are made from a special alloy that minimizes friction for maximum reliability. The design as a hollow piston with 5 valve pockets describes the specific piston shape. The standard piston compression supports a clear assignment when selecting this replacement part.

Technical data

• Brand: PROX
• Piston Type: Forged
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 94.95 mm
• Letter oversize: A
• Oversize: STD
• Rings Quantity: Set
• Stroke: 4T
• Specificity: hollow piston / 5 valve pockets

Vehicle assignment

The forged piston fits the Yamaha YZ 450 F (CJ 10), built between 2006 and 2009. This assignment serves as a central selection aid for use on the vehicle mentioned.

Selection note

Before ordering, compare in particular the specified diameter of 94.95 mm, the oversize letter A and the Oversize STD marking with the required piston. Piston type, piston compression and the design as a hollow piston with 5 valve pockets are also among the relevant features for selection.