KTM 250 EXC F [2014-2022] - WÖSSNER forged pistons

WÖSSNER forged pistons for KTM 250 EXC F

The WÖSSNER forged piston is designed for the KTM 250 EXC F in the full year range from 2014 to 2022. The aluminum design and the forged piston design make it a suitable component for the upper engine range of this vehicle category.

Technical features

• Material: aluminum
• Piston Type: Forged
• Piston diameter Ø: 77.97 mm
• Letter oversize: B
• Oversize: +0.01
• Bore diameter: 78.01mm
• Compression ratio: 13.2:1
• Number of rings: 2
• Stroke: 4T
• Specificity: Double forged bridge

Selection and assignment

The marking with the letter B and the specified dimensions support the targeted selection for the intended engine application. The decisive factors are the piston diameter of 77.97 mm, the bore diameter of 78.01 mm and the oversize +0.01.

The compression ratio of 13.2:1 and the design for Stroke 4T must be taken into account as key technical data when making the assignment. The piston is exclusively assigned to the KTM 250 EXC F from the years 2014 to 2022.

Technical execution

The double forged bridge is part of the specific design of this piston. Together with the aluminum and the forged construction, there is a clearly defined technical configuration for the right engine.