KTM 640 LC4 Adventure [2004-2007] - WÖSSNER forged pistons

WÖSSNER forged pistons for the KTM 640 LC4 Adventure

The WÖSSNER forged piston is intended as a piston for the KTM 640 LC4 Adventure in the 2004 to 2007 model year range. Its aluminum design and forged design characterize the basic properties of this engine component.

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

The specified dimensions and markings support the targeted selection for the respective motor application. The diameter of 100.95 mm, the bore diameter of 101.01 mm and the marking B with Oversize +0.01 are particularly relevant. These values ​​should be compared with the requirements of the existing engine before selection.

Vehicle assignment

The forged piston is assigned to the KTM 640 LC4 Adventure, built between 2004 and 2007. The vehicle assignment refers to this entire year of construction.

Execution

With a compression ratio of 11.7:1 and 3 rings, the piston has clearly defined technical key data for use in the engine. The specification “4T” describes the stored version of the “Stroke” parameter.