Tm Racing MX 250 FI [2019] - Forged pistons

PROX forged pistons for Tm Racing MX 250 FI 2019

The PROX forged piston is designed as a replacement piston with equivalent original equipment manufacturer quality. It is made of aluminum as a forged version. This makes the component suitable for the targeted renewal of the piston on the Tm Racing MX 250 FI from 2019.

Function and execution

The patented surface treatment helps reduce friction in the cylinder. The piston has a curved piston shape and 2 lubrication holes on the exhaust skirt. Standard piston compression makes selection easy for the specified vehicle configuration.

Technical data

• Brand: PROX
• Piston Type: Forged
• Material: aluminum
• Diameter Ø: 66.35 mm
• Letter oversize: B
• Oversize: +0.01
• Stroke: 2T
• Piston compression: standard
• Specificity: Domed piston / 2 lubrication holes on the exhaust skirt

Vehicle assignment

Suitable for the Tm Racing MX 250 FI, built in 2019. The assignment should be checked before ordering based on the specified diameter of 66.35 mm, the oversize letter B and the oversize of +0.01.

Factual advice on selection

The technical dimensions and design must be compared with the existing engine structure when making the selection. The piston diameter, the standard compression and the curved piston shape with 2 lubrication holes on the exhaust skirt are particularly relevant.