Tm Racing MX 250 FI ES [2025-2026] - cast pistons

VERTEX cast piston for Tm Racing MX 250 FI ES

The VERTEX cast piston is designed as an engine component for the Tm Racing MX 250 FI ES from 2025-2026. Its cast aluminum design combines the specified piston dimensions with standard compression and thus supports a targeted selection for the upper engine range.

Function and execution

VERTEX pistons are recognized for their performance and mileage. The supplier, which specializes in engine components for off-road machines, is used as an original equipment manufacturer by numerous motorcycle manufacturers. The piston has two piston rings and is designed for a 2T engine.

Technical data

• Brand: VERTEX
• Piston Type: Cast
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 66.36 mm
• Letter oversize: D
• Oversize: +0.03
• Bore diameter: 66.40 mm
• Rings Quantity: 2
• Stroke: 2T

Vehicle assignment

The VERTEX cast piston fits the Tm Racing MX 250 FI ES, built between 2025 and 2026. The combination of diameter Ø 66.36 mm, oversize +0.03 and bore diameter 66.40 mm serves to clearly match the specified vehicle version.

Selection note

Before ordering, please check in particular the oversize letter D and the specified piston dimensions. This means that the version can be selected to suit the technical requirements of the Tm Racing MX 250 FI ES.