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  1. KTM Duke 125 - Coolant level

    General Discussion
    I think my bike has a small coolant leak. I often see drops of green coolant at the radiator connector. I tried checking the level today and I couldn't see the line of coolant between the minimum or maximum. Which would indicate very low coolant right? Yet when I open the filling cap it's full...
  2. KTM 520 SX radiator overheating, coolant out from over flow pipe

    Off-Road / Enduro
    hello friends , i recently bought this bike and im doing some bits and bobs to get it ready for the spring summer season, recently i notice that the radiator gets very hot, and coolant comes out from the overflow pipe....then i had a look if i had weird smoke coming from exaust...no....it was...
  3. 950 Adv coolant overflow issue

    Adventure
    Just bought my first 950 adventure. I am finding that after a long run with the cooling liquid temperature display showing 4 or 5 bars, when I turn the engine off, the coolant overflows out of the overflow pipe that runs down the left side of the radiator. When I go to start the bike next...
  4. DUKE LTD overheating

    Supermoto
    Finally need to sort overheating issue, bike running fine for years then major coolant loss from overflow in traffic on hot day, ever since overheats causing varying degrees of coolant loss. KTM dealers have advised replacing head sensor, thermostat, radfan fuse and removing rad/pipes to check...
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