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

PROX forged pistons for KTM 250 EXC-F Factory Edition

The PROX forged piston is assigned to the KTM 250 EXC-F Factory Edition from 2015. As a forged aluminum version, it combines the defined piston geometry with a special alloy that minimizes friction and is therefore designed for reliability and performance.

Execution and function

The flat crown with raised top and 4 valve pockets is designated as a specific piston shape. Standard piston compression supports a clearly defined selection for the intended engine design. The piston is designed for a 4T engine.

Technical data

• Brand: PROX
• Piston Type: Forged
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 77.98 mm
• Letter oversize: C
• Oversize: +0.02
• Piston rings: set
• Stroke: 4T
• Specificity: Flat crown with raised top / 4 valve pockets

Vehicle assignment

The forged piston is assigned to the KTM 250 EXC-F Factory Edition, built in 2015. The diameter Ø 77.98 mm, the oversize letter C and the oversize specification +0.02 are particularly relevant for the selection.