KTM 125 SX [2001-2027] - cast piston - solid carbide cylinder head

VERTEX cast piston for KTM 125 SX 2001-2027

The VERTEX cast piston is intended for the KTM 125 SX from the entire 2001-2027 model year range. Its design is tailored to use with coordinated cylinder heads such as the VHM cylinder head. The piston must not be used with an OEM cylinder head.

Pistons for tuned cylinder heads

The cast aluminum design combines the defined standard compression with a precise selection of diameter and oversize. This allows the piston to be selected to match the specified bore. The version with a piston ring is specified for 2T engines.

Technical data

• Brand: VERTEX
• Piston Type: Cast
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 53.97 mm
• Letter oversize: D
• Oversize: +0.03
• Bore diameter: 54.00 mm
• Number of piston rings: 1
• Hub type: 2T

Vehicle assignment and selection

The cast piston is assigned to the KTM 125 SX for the years 2001 to 2027. Before choosing, check whether the combination of 53.97 mm piston diameter, oversize D, +0.03 oversize and 54.00 mm bore diameter fits your engine structure. A tuned cylinder head is required for use; This piston cannot be used with an OEM cylinder head.