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

    Apr 27, 2012, 03:28 PM
    15.5 HP runs fine at idle, pops when revved
    Hi I have a 15.5 to runs good idle when you gas it starts popping load out the carb . I took v cover of intake v move a lot exhust move little what could this be
    crigby's Avatar
    crigby Posts: 4,343, Reputation: 107
    Outdoor Power Equipment Expert
    		  
    #2

    Apr 27, 2012, 04:06 PM
    Hi,
    First make sure that the rocker arms move about the distance when they move. Then check the valves per the YouTube video:
    Lawn Mower Repair Valve Adjustment - YouTube
    Peace,
    Clarke
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