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Chainsaw won't start when warm

Post in 'The Gear' started by Gunks, Sep 23, 2011.

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  1. Gunks

    Gunks Member

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    I have a Husqvarna 136. It starts fine when cold on the first tank of gas. Can't start it on the second tank of gas.

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  2. smokinj

    smokinj Minister of Fire

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    How old is this saw? History please.
  3. Gunks

    Gunks Member

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    The saw is about 6 years old. I cleaned the air filter and changed the spark plug once a year and that's all the maintenance it gets so far. I chainsaw about 2-3 cords of wood a year.
  4. smokinj

    smokinj Minister of Fire

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    Not alot of use on it, was first thinking crank seals. With that info sounds like it will be in the fuel lines, but by any chance are you choking it after refueling?
  5. Gunks

    Gunks Member

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    Please explain what "choking it" means.
  6. mayhem

    mayhem Minister of Fire

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    Turning on the choke like you do when its cold.
  7. Gunks

    Gunks Member

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    I tried with the choke fully opened, half-opened and closed and nothing happen.
  8. MasterMech

    MasterMech Guest

    Pull the spark plug and see if it's wet after you try to start it. If it is, then you have an ignition problem or you're flooding the saw trying to start it. Pull the saw over a few times until you can't see fuel spraying out the plug hole. Reinstall the plug and pull it over WITHOUT choking it. Have to warn you tho. These saws can become more $$ to fix than they are worth and they generally have a very poor reputation. If you don't get it running for cheap, then I'd be looking to replace it.
  9. smokinj

    smokinj Minister of Fire

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    Once its choke when hot its over! Try it again and on the second tank "NO CHOKE WHAT SO EVER"! See if that fixs the problem first! ;-) Never choke a hot saw....Its always a long day when any hot saw gets choke. I have shut done a few times with the 880 choke hot! lol it will break a 4 man crew down.
  10. TreePointer

    TreePointer Minister of Fire

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    Another thing to check:

    When it won't start when warm/hot, open the fuel cap. Do you hear a sucking sound?
  11. davmor

    davmor Member

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    I had the same problem with my Stihl ms 270. I did the simplest things first changed the plug, cleaned the the air filter, changed the fuel filter, still would not run. Ended up having to change the ignition module.
  12. freeburn

    freeburn Feeling the Heat

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    You could try a carb kit too. Had that happen with an engine of mine once and it was a bad set of gaskets.
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