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Thread: Stihl weed eater won't crank

  1. #1
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    Default Stihl weed eater won't crank

    I'm basically wondering where I should start first. Doesn't attempt to run at all which leads me to believe it could be spark related, but that could also be points I've heard. What's the most likely problem?

  2. #2

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    If this weed eater has set for a period of time unused. May be a dry carb.

    Pull the spark plug wire and push in a phillips screw driver in the hole in the wire. Hold about 1/8" from the metal of the engine. Pull the rope quickly and watch for a spark. If you see a spark you most likely have a carb problem not an electrical problem.

    If you saw a spark then check your spark plug to be clean and not gunked up. If clean then pour about a thimble full of fresh mixed gas in the cylider through the spark plug hole. Then install the spark plug and wire.

    Try to start the engine with the throttle plulled high speed. May take a bunch of pulls maybe 20 or so. If the engine starts and runs for a few seconds your carb is plugged up and needs cleaned. This is very commonly the problem of a three cycle motor like a weed eater or chain saw sitting for long periods of time.

    Hope this helps

    Wg

  3. #3
    Join Date
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    Quote Originally Posted by Wgoodrich
    This is very commonly the problem of a three cycle motor like a weed eater or chain saw sitting for long periods of time.

    Hope this helps

    Wg
    I've heard of 2 and 4, but what's a 3 cycle?
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    Last edited by Guido; February 25th, 2011 at 07:44 AM.

  4. #4

    Default

    Sorry they call that a brain fart of an old man. Not sure who else I can blame for writing that mistake. I signed it so must have been me. Cant remember. Most common defense huh.

    Meant 2 cycle. Was thinking 2 cycle but wrote three auto reflex in error created from three phase electrical thinking at same time. Confused the two subjects.

    Thanks for the catch

    Wg

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