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  1. #1
    Join Date
    Dec 2010
    Location
    Southern Highlands NSW
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    444

    Default venting my Stihl 038 chainsaw ?

    My old 038 starts and runs beautifully but runs out of power at high revs (and after a few minutes of running). I'm pretty sure that it is a tank venting problem but after hours of searching cannot find where the vent is. Any guidance very much appreciated. Cheers Phil

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  3. #2
    Join Date
    Feb 2006
    Location
    Perth
    Posts
    27,794

    Default

    RE VV see attached

    Have you checked the fuel filter?

    Have you cleaned the carby?

    Impulse line cracked/persihed
    Attached Files Attached Files

  4. #3
    Join Date
    Dec 2010
    Location
    Southern Highlands NSW
    Posts
    444

    Default

    Fantastic! Thanks Bob, I've been searching everywhere for exactly that diagram

    I've just had the saw serviced - including carbie - so assume it was done correctly, and have replaced the fuel filter. I'll check the impulse line as suggested.

    Cheers
    Phil

  5. #4
    Join Date
    Dec 2010
    Location
    Southern Highlands NSW
    Posts
    444

    Default

    Problem fixed very easily. All I needed was avgas!! A neighbour asked me to assist felling a fairly large tree as he needed a decent size saw. The 038 Magnum ran like a bronchial dog for the first tank but improved markedly during the second tank after i used some of the neighbours avgas based 2 stroke. By the time I'd run 2 tanks of avgas it was running as sweet as the day I bought it !

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