YAMAHA YZ 250 [2024-2027] - cast pistons

PROX cast piston for YAMAHA YZ 250 2024-2027

The PROX cast piston is designed as a replacement part for the YAMAHA YZ 250 in the 2024-2027 model year range. Its design is based on equivalent original equipment manufacturer quality and is therefore suitable for replacing the existing piston within this vehicle classification.

Function and execution

The piston is made of aluminum and has standard piston compression. The patented surface treatment helps reduce friction in the cylinder. In addition, the piston has a MoS2 skirt coating, which is a specific feature of the design.

Technical data

• Brand: PROX
• Piston Type: Cast
• Material: aluminum
• Diameter Ø: 66.37 mm
• Letter oversize: C
• Oversize: +0.02
• Stroke: 2T
• Piston compression: standard
• Specificity: Domed piston / fin cutout / suction hole / MoS2 skirt coating

Vehicle assignment

This PROX cast piston fits the YAMAHA YZ 250 in the full year range 2024-2027. When making the selection, the diameter of 66.37 mm, the oversize letter C and the oversize dimension +0.02 should be taken into account.

Factual note

The technical design as a 2T piston as well as the mentioned dimensional features support a targeted assignment within the specified YAMAHA YZ 250 model years.