KTM 640 Duke [1998-2006] - WÖSSNER forged pistons

WÖSSNER forged pistons for KTM 640 Duke

The WÖSSNER forged piston is an engine component for the KTM 640 Duke from the entire 1998-2006 model year range. Its design is tailored to the specified dimensions and characteristics and is therefore suitable for the targeted selection of a suitable piston within this vehicle classification.

Technical characteristics

• 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
• Rings Quantity: 3
• Stroke: 4T

Vehicle assignment

The piston is assigned to the KTM 640 Duke, built between 1998 and 2006. Vehicle selection should be based on the model and full year range.

Selection based on measurements

The diameter of 101.94 mm, the bore diameter of 102.00 mm and the oversize of +1.00 are particularly relevant for the technical classification. The compression ratio is 11.7:1. The forged aluminum design and the specification of 3 rings complement the essential product data for selection in the upper engine range.