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    ward37814's Avatar
    ward37814 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    May 25, 2015, 02:07 PM
    Stihl 420 back pack blower
    I got a stihl 420 magnum back pack blower and it is sizing up when I try to start it,I can take the spark plug out and it turns over fine.. anyone have any idea what's up?. Thanks
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
    Uber Member
    		  
    #2

    May 25, 2015, 03:52 PM
    If the carb is flooding, it will increase the Compression. Taking the plug out releases the pressure. Is there gas mixture in the cylinder?
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