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    WÖSSNER Piston Kit for KTM EXCF, SXF, XCF 350, GAS GAS ECF, ES, EXF, MCF 350 and HUSQVARNA FC, FE 350 2023-2027
    WÖSSNER Piston Kit for KTM EXCF, SXF, XCF 350, GAS GAS ECF, ES, EXF, MCF 350 and HUSQVARNA FC, FE 350 2023-2027

    WÖSSNER Piston Kit for KTM EXCF, SXF, XCF 350, GAS GAS ECF, ES, EXF, MCF 350 and HUSQVARNA FC, FE 350 2023-2027

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    €198.90
    Tax Included
    Disponible en nuestro proveedor, enviado en 10 a 15 días.

    The piston moves up and down in the cylinder to turn combustion into motion: this kit replaces it along with its rings, pin and clips.

    Available in several sizes.

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    Disponible en nuestro proveedor, enviado en 10 a 15 días.

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      WÖSSNER offers this piston kit for KTM EXCF, SXF, XCF 350, GAS GAS ECF, ES, EXF, MCF 350 and HUSQVARNA FC, FE 350 2023-2027. The piston slides in the cylinder and takes the force of the air-fuel combustion, passing it to the connecting rod and crankshaft.

      Why replace the piston?

      The benefits:

      • Restore compression, power and easy starting.
      • A piston of the right size keeps the intended clearance in the cylinder: less noise and less oil consumption.
      • A new piston with rings, pin and clips: nothing to reuse from the old one.

      Why choose WÖSSNER?

      Wössner has forged its own pistons since 1994: Molykote-coated skirt to reduce friction and ease running-in, kit supplied complete with rings, pin and clips.

      When should you replace the piston on your HUSQVARNA FC 350?

      Harder starting, loss of power, blue smoke, oil consumption or a knock when cold: these are the signs of a tired top end.

      No manufacturer hour figure for this model. Cross-Mania guideline: compression check every 30 h in hard use and every 60 h for leisure.

      Specifications and fitting tips

      • Manufacturer part numbers: 4091DB (B), 4091DC (C)

      Available in several sizes: choose the one that matches your cylinder (stamped size or measured bore). Diameters: B = 87.96 mm, C = 87.97 mm.

      Spare parts and items to plan

      Compatibility

      Check the exact model and year of your bike in the list below before ordering.

      Fits:
      GAS GAS ECF 350 2026
      GAS GAS ECF 350 2025
      GAS GAS ECF 350 2024
      GAS GAS ES 350 2025
      GAS GAS ES 350 2024
      GAS GAS EXF 350 2025
      GAS GAS EXF 350 2024
      GAS GAS MCF 350 2025
      GAS GAS MCF 350 2024
      HUSQVARNA FC 350 2027
      HUSQVARNA FC 350 2026
      HUSQVARNA FC 350 2025
      HUSQVARNA FC 350 2024
      HUSQVARNA FC 350 2023
      HUSQVARNA FE 350 2027
      HUSQVARNA FE 350 2026
      HUSQVARNA FE 350 2025
      HUSQVARNA FE 350 2024
      KTM EXCF 350 2027
      KTM EXCF 350 2026
      KTM EXCF 350 2025
      KTM EXCF 350 2024
      KTM SXF 350 2027
      KTM SXF 350 2026
      KTM SXF 350 2025
      KTM SXF 350 2024
      KTM SXF 350 2023
      KTM XCF 350 2027
      KTM XCF 350 2026
      KTM XCF 350 2025
      KTM XCF 350 2024
      KTM XCF 350 2023

      WOSSNER
      4091DB
      5 Items

      Specific References

      Click on your bike to see all compatible parts.

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      WÖSSNER Piston Kit for KTM EXCF, SXF, XCF 350, GAS GAS ECF, ES, EXF, MCF 350 and HUSQVARNA FC, FE 350 2023-2027
      WÖSSNER Piston Kit for KTM EXCF, SXF, XCF 350, GAS GAS ECF, ES, EXF, MCF 350 and HUSQVARNA FC, FE 350 2023-2027
      WÖSSNER Piston Kit for KTM EXCF, SXF, XCF 350, GAS GAS ECF, ES, EXF, MCF 350 and HUSQVARNA FC, FE 350 2023-2027
      WÖSSNER Piston Kit for KTM EXCF, SXF, XCF 350, GAS GAS ECF, ES, EXF, MCF 350 and HUSQVARNA FC, FE 350 2023-2027
      €198.90
      Tax Included