KTM 640 LC 4 Enduro [1998-2006] - WÖSSNER forged pistons

WÖSSNER forged pistons for KTM 640 LC 4 Enduro

The WÖSSNER forged piston is assigned to the KTM 640 LC 4 Enduro from the entire model year range 1998-2006. As a component from the engine, top engine and piston area, it offers a clearly defined design for the specified vehicle application.

Design and technical features

• Material: aluminum
• Piston type: forged
• Diameter Ø: 100.95 mm
• Letter oversize: B
• Oversize: +0.01
• Bore diameter: 101.01mm
• Compression ratio: 11.7:1
• Rings Quantity: 3
• Stroke: 4T

Matching the vehicle assignment

The piston is assigned to the KTM 640 LC 4 Enduro built between 1998 and 2006. The information on diameter, oversize, bore diameter and compression ratio supports the selection based on the existing engine configuration and the required piston dimensions.

Selection note

The diameter of 100.95 mm, the marking B, the oversize +0.01 and the bore diameter of 101.01 mm are particularly important for the assignment. Before making a selection, these values ​​should be compared with the dimensions required for the motorcycle. The compression ratio is 11.7:1; The piston is specified as a 4T version with 3 rings.