KTM 250 EXC F [2017-2023] - Complete Top End Kit - Replica forged pistons

VERTEX Top End Kit with forged piston for the KTM 250 EXC F

The VERTEX complete kit supports the overhaul of the upper engine area and bundles the components intended for this purpose in one assembly. The forged aluminum piston has standard compression and is designed for the KTM 250 EXC F built between 2017 and 2023.

Function and scope of delivery

The kit makes it easy to replace the piston, piston rings and upper engine seals. The 4T version assigned here also includes a timing chain.

• Forged aluminum piston
• Piston rings as a set
• Piston pin
• safety clips
• Top end gasket kit
• Timing chain for four-stroke kits

Technical data

• Piston Type: Forged
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 77.98 mm
• Letter oversize: C
• Oversize: +0.02
• Bore diameter: 78.00 mm
• Piston rings: set
• Version: 4T

Vehicle assignment

The VERTEX Top End Kit is intended for the KTM 250 EXC F, built between 2017 and 2023. The selection should be based on the specified diameter of 77.98 mm, the bore diameter of 78.00 mm and the oversize marking C.