KTM 125 SX [2016-2022] - Complete top end kit - cast pistons

VERTEX Top End Kit with cast pistons for KTM 125 SX

The complete VERTEX Top End Kit supports the overhaul of the upper engine area of the KTM 125 SX in the 2016-2022 model year range. It bundles the components relevant for replacement in one set, making it easier to put together the parts required for engine repairs.

Function and scope of delivery

• Cast aluminum piston
• 2 piston rings
• Piston pin
• safety clips
• Top end gasket kit
• Needle bearing for the piston pin in this two-stroke application

The combination of pistons, seals and mounting components is designed to renew the upper engine area. The included piston pin and the safety clips complete the piston for the intended installation.

Technical data

• Material: aluminum
• Piston type: cast
• Piston compression: standard
• Piston diameter: 53.97 mm
• Letter oversize: D
• Oversize: +0.03
• Bore diameter: 54.00 mm
• Piston rings: 2
• Engine type: 2T

Vehicle assignment

The top end kit is assigned to the KTM 125 SX, built between 2016 and 2022. The information on piston diameter, oversize and bore diameter supports the selection based on the existing engine configuration.