KTM 250 EXC-F Factory Edition [2015] - Forged pistons

PROX forged pistons for the KTM 250 EXC-F Factory Edition from 2015

The PROX forged piston is designed to replace the original piston of the KTM 250 EXC-F Factory Edition built in 2015. Its production on modern CNC systems supports precise execution. Aluminum is used as the material; the piston is forged and has standard compression.

Technical features

• Piston Type: Forged
• Material: aluminum
• Diameter Ø: 77.97 mm
• Letter oversize: B
• Oversize: +0.01
• Compression ratio: 14.4:1
• Piston compression: standard
• Stroke: 4T
• Specificity: Flat crown with raised top / 4 valve pockets

Piston set for engine overhaul

The PROX piston set is supplied with piston rings, piston pins and circlips. This means that the associated components of the set are ready for installation together. The design with a flat crown, raised top and four valve pockets describes the piston shape for the specified application.

Vehicle assignment

Suitable for the KTM 250 EXC-F Factory Edition, built in 2015. The assignment refers to this entire year range.

Factual note

Before ordering, the diameter, oversize and technical engine data must be compared with the existing cylinder and the intended spare part. The decisive factors are the diameter of 77.97 mm, the oversize +0.01 and the code letter B.