KTM 250 SX-F Factory Edition [2026-2027] - 4-stroke forged piston kit - ø80.97mm
![KTM 250 SX-F Factory Edition [2026-2027] - 4-stroke forged piston kit - ø80.97mm](http://motorize-ireland.com/cdn/shop/files/1156373003-1_96b55de6-b62f-49ee-8a5b-5042d372d952.jpg?v=1788672872)
![KTM 250 SX-F Factory Edition [2026-2027] - 4-stroke forged piston kit - ø80.97mm](http://motorize-ireland.com/cdn/shop/files/1156373003-2_768df649-7a4e-4dc1-b8e5-0f0e8b2ea363.jpg?v=1788672872)
![KTM 250 SX-F Factory Edition [2026-2027] - 4-stroke forged piston kit - ø80.97mm](http://motorize-ireland.com/cdn/shop/files/1156373003-3_7c4546b3-4fca-46ca-a404-762902d5cbf5.jpg?v=1788672872)
Description
WISECO 4-stroke forged piston kit with 80.97 mm diameter
The WISECO forged piston kit is assigned to the KTM 250 SX-F Factory Edition built in 2026-2027. The piston is a forged aluminum version and has standard compression. The kit therefore offers clearly defined characteristics for selecting a suitable piston within the specified vehicle assignment.
![KTM 250 SX-F Factory Edition [2026-2027] - 4-stroke forged piston kit - ø80.97mm – product view](https://cdn.shopify.com/s/files/1/0871/4616/8646/files/1156373003-1_96b55de6-b62f-49ee-8a5b-5042d372d952.jpg?v=1788672872)
Technical features
- Piston type: forged
- Material: aluminum
- Diameter Ø: 80.97 mm
- Letter oversize: C
- Oversize: +0.02
- Bore diameter: 81mm
- Compression ratio: 14.5:1
- Piston compression: standard
- Version: 4T
Vehicle assignment
The kit fits the KTM 250 SX-F Factory Edition in the full 2026-2027 model year range. The diameter of 80.97 mm, the oversize of +0.02 and the code letter C are particularly relevant for the selection.
Selection guide
The combination of forged aluminum design, standard compression and a compression ratio of 14.5:1 describes the technical design of this kit. The specified bore diameter of 81 mm complements the dimensions and supports the comparison with the technical requirements of the assigned motorcycle.
![KTM 250 SX-F Factory Edition [2026-2027] - 4-stroke forged piston kit - ø80.97mm - detailed view](https://cdn.shopify.com/s/files/1/0871/4616/8646/files/1156373003-2_768df649-7a4e-4dc1-b8e5-0f0e8b2ea363.jpg?v=1788672872)
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![KTM 250 SX-F Factory Edition [2026-2027] - Piston Kit](http://motorize-ireland.com/cdn/shop/files/1129318002-1_752892ae-6a95-4a10-bebd-5eab6861dd30.jpg?v=1788596851&width=360)
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