KTM 250 SX-F Factory Edition [2026-2027] - 4-stroke forged piston kit - ø80.96mm

WISECO 4-stroke forged piston kit with 80.96 mm diameter

The WISECO forged piston kit is designed for the 4-stroke engine of the KTM 250 SX-F Factory Edition in the 2026-2027 model year range. The piston is made of aluminum and has a diameter of 80.96 mm. The kit therefore offers clearly defined dimensions for selection based on the existing engine dimensions.

Technical features

• Piston Type: Forged
• Material: aluminum
• Piston compression: standard
• Piston diameter Ø: 80.96 mm
• Letter oversize: B
• Oversize: +0.01
• Bore diameter: 81mm
• Compression ratio: 14.5:1
• Version: 4T

Vehicle assignment

The kit fits the KTM 250 SX-F Factory Edition, built between 2026 and 2027. The assignment refers exclusively to this model and this complete year of manufacture.

Selection note

The piston diameter of 80.96 mm, the bore diameter of 81 mm and the marking B with +0.01 oversize are particularly relevant for the selection of parts. The compression ratio is 14.5:1; piston compression is specified as standard.