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    jangofett's Avatar
    jangofett Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Oct 1, 2009, 03:57 PM
    Murray 18hp VTwin Riding Mower will only run with choke full on.
    I have a Murray 18 hp Vtwin riding mower that will only run with the choke on full. When the blades are engaged it dies. Does the carb need rebuilt? Thanks
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #2

    Oct 1, 2009, 06:26 PM

    You aren't getting enough fuel. Has any adjustments been done of this carb or did it just slowly start acting like this? I'd dump the bowl, flush it out with SeaFoam and then test the float to see if it properly operates the needle valve.
    crigby's Avatar
    crigby Posts: 4,343, Reputation: 107
    Outdoor Power Equipment Expert
    		  
    #3

    Oct 1, 2009, 06:32 PM

    Hi,
    Chances are it needs a good cleaning.
    Peace,
    Clarke
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #4

    Oct 1, 2009, 07:29 PM

    Agree, since it does run with the choke you stand a chance of cleaning it by giving it a double dose of SeaFoam carb cleaner mixed in fresh fuel. Run it until the tank runs dry. If you still can't run without the coke its time to start taking it apart, not for the faint of heart or those who do not have a schematic diahram of the carb
    jangofett's Avatar
    jangofett Posts: 2, Reputation: 1
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    #5

    Oct 2, 2009, 03:02 PM
    Quote Originally Posted by ballengerb1 View Post
    You aren't getting enough fuel. Has any adjustments been done of this carb or did it just slowly start acting like this? I'd dump the bowl, flush it out with SeaFoam and then test the float to see if it properly operates the needle valve.
    There haven't been any adj. to the carb. The problem of having to choke the motor, kept gradually getting worse and worse. Could it be the fuel pump? Thanks.
    crigby's Avatar
    crigby Posts: 4,343, Reputation: 107
    Outdoor Power Equipment Expert
    		  
    #6

    Oct 2, 2009, 03:19 PM

    Hi,
    Yes, the pump could easily be the culprit. Disconnect the line from the carb and crank engine over; should give a "healthy" spurt of fuel when it spins.
    Peace,
    Clarke
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