YAMAHA WR 450 F [2024-2027] - forged pistons

PROX forged pistons for the YAMAHA WR 450 F

The PROX forged piston is assigned to the YAMAHA WR 450 F in the full year range from 2024 to 2027. Its forged aluminum design combines a flat crown with a raised top and 4 valve pockets. This gives the piston a clearly defined shape for its intended use in the engine.

Function and execution

PROX manufactures the forged piston from a special alloy that minimizes friction for high reliability. The standard piston compression supports selection as a spare part for an appropriate series configuration. The piston type “Forged” indicates the manufacturing method of the piston.

Technical data

• Material: aluminum
• Piston Type: Forged
• 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

The forged piston is intended for the YAMAHA WR 450 F, built between 2024 and 2027. Before ordering, check in particular the diameter Ø 96.95 mm, the letter of the oversize A and the information Oversize STD so that the technical version matches your engine.

Selection note

The information on piston compression, the 4T stroke and the piston geometry makes it easier to compare it with the existing engine. The delivery is shown as a ring quantity “set”.