KTM 250 EXC-F SIX Days [2017-2023] - 4-stroke forged piston kit - ø78.00mm

WISECO 4-stroke forged piston kit for KTM 250 EXC-F SIX Days

The WISECO forged piston kit is intended for the KTM 250 EXC-F SIX Days in the 2017-2023 model year range. It combines a forged aluminum piston with clearly defined dimensions and engine data for a targeted selection of the right spare part.

Technical features

• Piston Type: Forged
• Material: aluminum
• Diameter Ø: 77.98 mm
• Letter oversize: C
• Oversize: +0.02
• Piston compression: standard
• Compression ratio: 13.9:1
• Piston rings: set
• Version: 4T

The combination of oversize +0.02 and the code letter C supports the clear assignment when selecting the piston. The diameter Ø of 77.98 mm and the compression ratio of 13.9:1 serve as concrete technical reference points for checking the engine configuration.

Vehicle assignment

The kit fits the KTM 250 EXC-F SIX Days, built between 2017 and 2023. The vehicle assignment should be compared using the full model name and year of manufacture before ordering.

Execution

WISECO manufactures high-performance forged pistons and develops, forges and machines its pistons at its own manufacturing facility in Mentor, Ohio, USA. This kit is a 4-stroke version with standard piston compression and a piston ring set.