Yamaha YZ 450 F [2023-2027] - forged pistons

PROX forged pistons for Yamaha YZ 450 F 2023-2027

The PROX forged piston is designed for the Yamaha YZ 450 F from the 2023-2027 model year range. Its forged design and special aluminum alloy combine the specified design features with a friction-minimizing design. As a result, the piston supports high reliability in engine operation.

Construction and function

The flat crown with a raised top is designed with 4 valve pockets. The piston has standard compression and is intended for a 4T engine. The forged design, together with aluminum as a material, forms the basis of this piston.

Technical data

• Brand: PROX
• Piston Type: Forged
• Material: aluminum
• 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 fits the Yamaha YZ 450 F in the full year range 2023-2027. The model, the year of manufacture as well as the specified diameter of 96.95 mm and the markings “A” and “STD” are particularly important for the selection.