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  1. Trains

    Idle speed and starting

    Just to confirm, your talking about your ms260 saw ? as mentioned before, its any real movement that will spill out the pooled fuel in the intake boot that will cause it to go rich and stumble at idle after its been idling for a bit. moving your saw about, and getting it to change its idle on...
  2. Trains

    Idle speed and starting

    moving it back handle down, bar up, wont make the fuel dribble back towards the carb or go lean, moving the saw about will dislodge the pooled fuel, the air flow will move it, and cause the saw to stumble as it goes into a rich condition. Fuel pools there when you let it idle for prolonged...
  3. Trains

    Idle speed and starting

    Ive had to bring back carbs to basic settings quite often after the owners have gotten creative with a problomatic saw. Once the problem/ s are found and fixed you can proceed. There is a process that stihl outline that gives you correct position of the LA or butterfly idle position on the...
  4. Trains

    Idle speed and starting

    They also pool fuel at idle in the inlet boot, so after a while idling, they tend to load up, especially if you tip or move them, and spill the pooled fuel into the crank, but yeah, worn throttle shaft will do it too :).
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