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

VERTEX Top End Kit for KTM 125 SX 2016-2022

The complete VERTEX top end kit with cast piston is intended for the KTM 125 SX in the entire 2016-2022 model year range. It bundles the components for the overhaul of the upper engine area and thereby supports a structured renewal of pistons and associated seals.

Function and scope of delivery

The kit contains the top end components intended for replacement. This two-stroke application also includes the piston pin needle bearing.

• Aluminum piston
• Piston rings
• Piston pin
• safety clips
• Top end gasket kit
• Needle bearing for the piston pin

Technical data

• Piston Type: Cast
• Piston compression: standard
• Diameter Ø: 53.98 mm
• Letter oversize: E
• Oversize: +0.04
• Bore diameter: 54.00 mm
• Number of piston rings: 2
• Stroke: 2T

Vehicle assignment

The VERTEX complete top end kit - cast piston is for the KTM 125 SX, built between 2016 and 2022. The selection depends on this vehicle and year of manufacture as well as the technical piston data.

Factual note

By assembling pistons, piston rings, piston pins, locking clips, top-end seal kit and needle bearings, the components intended for the upper engine overhaul are bundled into one kit.