KTM 400 EXC Factory Edition [2011] - WÖSSNER forged pistons

WÖSSNER forged pistons for KTM 400 EXC Factory Edition 2011

The forged WÖSSNER piston is designed for the KTM 400 EXC Factory Edition from 2011. As a component made of aluminum, it belongs to the engine and top-end engine range. The specified dimensions and characteristics support the targeted selection of the appropriate engine structure.

Technical features

• Material: aluminum
• Piston Type: Forged
• Diameter Ø: 94.95 mm
• Letter oversize: A
• Oversize: STD
• Bore diameter: 95.00 mm
• Compression ratio: 11.9:1
• Rings Quantity: 2
• Stroke: 4T

Vehicle assignment

The forged piston is assigned to the KTM 400 EXC Factory Edition in the full 2011 model year range. Before making your selection, please compare the diameter of 94.95 mm, the bore diameter of 95.00 mm and the markings A and STD with the intended engine structure.

Selection based on engine characteristics

The compression ratio of 11.9:1 and the design with 2 piston rings are documented as fixed technical characteristics for the assignment. The combination of aluminum, forged piston type and the specified dimensions makes it easier to match the engine and piston components.