Yamaha WR 450 F (CJ 07) [2005] - forged pistons

PROX forged pistons for Yamaha WR 450 F (CJ 07) from 2005

The PROX forged piston is designed as a suitable engine component for the Yamaha WR 450 F (CJ 07), built in 2005. Its special alloy is designed to minimize friction and thus support high reliability in engine operation.

Execution and function

The piston is made of aluminum and has a forged design. Piston compression is standard. Hollow pistons and 5 valve pockets are specified for the design assignment. The component therefore offers a clearly defined design for the intended engine.

Technical data

• Brand: PROX
• Component: forged piston
• Material: aluminum
• Piston Type: Forged
• 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 PROX forged piston is for the Yamaha WR 450 F (CJ 07), built in 2005. The assignment refers to this entire year of construction.

Selection note

Before ordering, check in particular the specified diameter of 94.95 mm and the markings “A” and “STD”. The technical version with 4T stroke, standard piston compression and 5 valve pockets should be matched to the intended engine.