KTM 250 SX F [2016-2022] - Forged pistons

PROX forged pistons for KTM 250 SX F 2016-2022

The PROX forged piston is designed to replace the original piston of the KTM 250 SX F in the full year range from 2016 to 2022. Manufacturing on modern CNC systems supports precise execution for use in 4-stroke engines.

Execution and function

The piston is made of aluminum and is forged. Its flat crown with raised top and 4 valve pockets correspond to the specified piston specification. The standard piston compression and the compression ratio of 14.4:1 make the version interesting for a close-to-original replacement.

Technical data

• Material: aluminum
• Piston Type: Forged
• Diameter Ø: 77.95 mm
• Piston compression: standard
• Letter oversize: A
• Oversize: STD
• Compression ratio: 14.4:1
• Rings Quantity: Set
• Stroke: 4T
• Specificity: Flat crown with raised top / 4 valve pockets

Vehicle assignment

Suitable for the KTM 250 SX F, built between 2016 and 2022. The assignment refers to this model and this year of manufacture.

Kit version

The PROX piston kit comes with piston rings, piston pins and circlips. This means that the components belonging to the piston for installation are included in the kit.