KTM 640 Duke Special Edition [2006] - WÖSSNER forged pistons

WÖSSNER forged pistons for the KTM 640 Duke Special Edition

The WÖSSNER forged piston is designed as a piston for the engine of the KTM 640 Duke Special Edition from 2006. The technical dimensions and characteristics support a targeted selection for the intended engine structure.

Function and execution

The piston is made of aluminum and is forged. With a diameter of 100.96 mm and a bore diameter of 101.02 mm, it is dimensioned for the specified design. The compression ratio is 11.7:1.

Technical data

• Material: aluminum
• Piston Type: Forged
• Diameter Ø: 100.96 mm
• Letter oversize: C
• Oversize: +0.02
• Bore diameter: 101.02mm
• Compression ratio: 11.7:1
• Rings Quantity: 3
• Stroke: 4T

Vehicle assignment

The forged piston is assigned to the KTM 640 Duke Special Edition, built in 2006. This vehicle assignment serves as an important basis for selection.

Notes on selection

Before ordering, compare in particular the diameter, the bore diameter, the oversize letter C and the oversize specification +0.02 with the intended motor design. The compression ratio of 11.7:1 and the version for 4T should also be taken into account when making your selection.