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    bobo8409's Avatar
    bobo8409 Posts: 3, Reputation: 1
    New Member
    		  
    #1

    Aug 19, 2008, 06:13 AM
    Craftsman18hp briggs& sratton
    18 hp briggs on idle it will speed up & down & pop . Very hard to crank sounds like engine out of timing
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #2

    Aug 19, 2008, 08:35 PM
    More likely the carb is ready for a total cleaning or boil. I had one like this, cleaned it twice with no improvement. Had a friend rebuild the carb, no improvement. Instlled an OEM carb and it now runs fine. The OEM from Sears will run you about $120
    1983nab's Avatar
    1983nab Posts: 33, Reputation: 1
    Junior Member
    		  
    #3

    Aug 27, 2008, 10:20 PM
    Check your flywheel key sounds like the timing
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