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    PROX piston ring set Ø 47.00 mm for KTM SX 85, HUSQVARNA TC 85 and GAS GAS MC 85 2003-2025
    PROX piston ring set Ø 47.00 mm for KTM SX 85, HUSQVARNA TC 85 and GAS GAS MC 85 2003-2025

    PROX piston ring set Ø 47.00 mm for KTM SX 85, HUSQVARNA TC 85 and GAS GAS MC 85 2003-2025

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    €21.90
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    Last items in stock

    Diameter: Ø 47.00 mm

    Rings are the bands fitted on the piston that seal against the cylinder: they hold compression and limit oil getting past.

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      • Diameter: Ø 47.00 mm

      PROX offers this piston ring set for KTM SX 85, HUSQVARNA TC 85 and GAS GAS MC 85 2003-2025. Rings are thin steel bands sitting in the piston grooves. They press against the cylinder wall to hold compression and scrape oil.

      Why replace the rings?

      The benefits:

      • Regain compression and power.
      • Reduce oil consumption and smoke.
      • A cheap fix when piston and cylinder are still within spec.

      Why choose PROX?

      ProX has its pistons made in Japan and the USA, with Japanese rings (Riken, TP or NPR) and tolerances at least equal to OEM; most of its four-stroke pistons are forged.

      When should you replace the piston rings?

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

      Recommended hours for a top-end rebuild (manufacturer recommendation for the KTM SX 85, Husqvarna TC 85 2018-2023):

      • Racing: every 20 h.
      • Leisure: no KTM figure; Cross-Mania guideline: compression check at around 40 h.
      • Riding in sand: every 10 h.
      • KTM SX 85, Husqvarna TC 85, GASGAS MC 85 since 2024: racing: every 45 h.

      Specifications and fitting tips

      • Manufacturer part number: 02.6105

      Cross-Mania tip: Check the ring end gap in the cylinder before fitting and respect the fitting direction (mark facing up).

      Also needed with this part

      Compatibility

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

      Fits:
      GAS GAS MC 85 2025
      GAS GAS MC 85 2024
      GAS GAS MC 85 2023
      GAS GAS MC 85 2022
      GAS GAS MC 85 2021
      HUSQVARNA TC 85 2024
      HUSQVARNA TC 85 2023
      HUSQVARNA TC 85 2022
      HUSQVARNA TC 85 2021
      HUSQVARNA TC 85 2020
      HUSQVARNA TC 85 2019
      HUSQVARNA TC 85 2018
      HUSQVARNA TC 85 2017
      HUSQVARNA TC 85 2016
      HUSQVARNA TC 85 2015
      HUSQVARNA TC 85 2014
      KTM SX 85 2024
      KTM SX 85 2023
      KTM SX 85 2022
      KTM SX 85 2021
      KTM SX 85 2020
      KTM SX 85 2019
      KTM SX 85 2018
      KTM SX 85 2017
      KTM SX 85 2016
      KTM SX 85 2015
      KTM SX 85 2014
      KTM SX 85 2013
      KTM SX 85 2012
      KTM SX 85 2011
      KTM SX 85 2010
      KTM SX 85 2009
      KTM SX 85 2008
      KTM SX 85 2007
      KTM SX 85 2006
      KTM SX 85 2005
      KTM SX 85 2004
      KTM SX 85 2003

      PROX
      02.6105
      1 Item

      Specific References

      Click on your bike to see all compatible parts.

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      PROX piston ring set Ø 47.00 mm for KTM SX 85, HUSQVARNA TC 85 and GAS GAS MC 85 2003-2025
      PROX piston ring set Ø 47.00 mm for KTM SX 85, HUSQVARNA TC 85 and GAS GAS MC 85 2003-2025
      PROX piston ring set for KTM SX 85, HUSQVARNA TC 85 and GAS GAS MC 85 2003-2025
      PROX piston ring set Ø 47.00 mm for KTM SX 85, HUSQVARNA TC 85 and GAS GAS MC 85 2003-2025
      €21.90
      Tax Included