KTM 350 EXC F [2017-2019] - Forged pistons

PROX forged pistons for KTM 350 EXC F

The PROX forged piston is intended as a forged version for the KTM 350 EXC F from the 2017-2019 model year range. Its aluminum alloy is designed for reduced friction and high reliability. The design in OEM-equivalent quality is suitable for replacing the piston in 4-stroke engines.

Execution and function

The flat crown with a raised top part supports the specified piston shape. Four valve pockets take into account the engine's valve arrangement. The piston is designed for standard compression; the stated compression ratio is 12:3:1.

Technical data

• Brand: PROX
• Piston type: forged
• Material: aluminum
• Diameter Ø: 87.96 mm
• Letter oversize: A
• Oversize: STD
• Piston compression: standard
• Compression ratio: 12:3:1
• Stroke: 4T
• Piston rings: set
• Piston shape: flat crown with raised top and 4 valve pockets

Vehicle assignment

Suitable for the KTM 350 EXC F, built between 2017 and 2019. The assignment refers to this model and this complete year range.

Factual note

When selecting, the piston diameter, oversize letter and the existing engine version must be compared with the requirements of the respective engine. The technical information serves to clearly assign the forged piston to the KTM 350 EXC F mentioned.