KTM 640 Supermoto LC 4 [1999-2006] - WÖSSNER forged pistons

WÖSSNER forged pistons for KTM 640 Supermoto LC 4

The WÖSSNER forged piston is designed for the KTM 640 Supermoto LC 4 from the 1999-2006 model year range. The aluminum version combines the forged piston type with clearly defined dimensions and a specified compression ratio for the selection of a suitable piston in the engine area.

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

Vehicle assignment

The forged piston is assigned to the KTM 640 Supermoto LC 4 in the full model year range 1999-2006. This allows the selection to be made specifically based on model and year of manufacture as well as the piston and bore data provided.

Selection based on measurements

In particular, the diameter of 100.95 mm, the bore diameter of 101.01 mm and the oversize marking with the letter B are available for assignment. The compression ratio of 11.7:1 and the design with 3 piston rings complement the key technical data. The information “4T” describes the stroke version of this piston.