KTM 640 LC 4 Adventure R [1998-2004] - WÖSSNER forged pistons

WÖSSNER forged pistons for the KTM 640 LC 4 Adventure R

The WÖSSNER forged piston is assigned as a piston for the KTM 640 LC 4 Adventure R in the 1998-2004 model year range. The design is intended for use in the upper engine range and combines a clearly defined oversize with the specified dimensions and technical characteristics.

Design and technical data

• Material: aluminum
• Piston Type: Forged
• Diameter Ø: 101.94 mm
• Letter oversize: 100
• Oversize: +1.00
• Bore diameter: 102.00 mm
• Compression ratio: 11.7:1
• Number of rings: 3
• Stroke: 4T

The dimensions allow a targeted selection based on the diameter, the bore and the specified oversize. The compression ratio of 11.7:1 and the 3-ring design are stated as fixed technical features of this forged piston.

Vehicle assignment

The forged piston fits the KTM 640 LC 4 Adventure R, built between 1998 and 2004. This assignment serves as a selection aid for this specific motorcycle model and the complete year range mentioned.

Factual information

The diameter Ø of 101.94 mm, the bore diameter of 102.00 mm and the marking “Oversize +1.00” are particularly important for the selection. The technical values ​​should be compared with the requirements of the intended engine before ordering.