KTM 125 XC W [2025-2027] - Race Evolution cast pistons

VERTEX Race Evolution cast piston for the KTM 125 XC W

The VERTEX Race Evolution cast piston is intended for the KTM 125 XC W in the entire 2025-2027 model year range. As a 2T piston for racing applications and off-road use, it supports precise selection based on specified dimensions and equipment data.

Execution and function

The piston is made of aluminum and is manufactured as a cast version. Standard piston compression allows for unique mapping within the specified configuration. A reduced upper ring zone and a design geared towards racing applications are part of the Race Evolution version.

Technical data

• Brand: VERTEX
• Piston Type: Cast
• Material: aluminum
• Piston compression: standard
• Version: 2T
• Diameter Ø: 53.97 mm
• Letter oversize: D
• Oversize: +0.03
• Bore diameter: 54.00 mm
• Rings Quantity: 1

Vehicle assignment

The cast piston fits the KTM 125 XC W, built between 2025 and 2027. The diameter of 53.97 mm, the oversize letter D, the dimension +0.03 and the bore diameter of 54.00 mm are particularly important for the selection.

Factual advice on selection

Please match the dimensions of the piston with the intended cylinder bore and the existing engine configuration. The technical design with a ring and standard piston compression is designed for a targeted assignment within the KTM model series mentioned.