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HI there.. please help.. tractor starts fine, with choke fully out.. the minute you push in the choke the tractor sputters and dies out.. fuel line has been changed, fuel filter changed, line cleaned out, new gas help.. huge piece of property and can't get more then one swipe without the engine dying. tractor has about 40 hours of ride time total.. not new but hardly used. thanks so much
Re: HI there.. please help.. tractor starts fine, with...
The air mixture carburetor screws have vibrated out causing this dilemma. you will need to readjust them or have it done by a qualified repair technician
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The black smoke and black spark plugs indicate that the engine is running very rich (ie too much fuel). This could be caused by the choke not opening fully after the engine starts and the fuel mixture is too rich OR the fuel mixture setting is opened too far. Check the choke lever, make sure the choke is fully open when the choke is in the running position. When the engine is running with the throttle is in the 3/4 rev position then adjust the fuel mixture to get the highest RPM.
It sounds like the carburetor is running out of fuel.First make sure the tank is full then loosen or remove the gas cap when it starts sputtering to see if that corrects the problem. Then with engine off remove the fuel line that goes from the tank to the fuel pump,hold it low and see if any fuel flows out of it,if not lightly blow air backwards to the tank,(with fuel cap off),then see if the line is plugged. Next remove the fuel line that goes to carburetor from the fuel pump,crank the engine and see if any fuel flows,if so the carburetor should be cleaned by removing it and disassembling it.
mine did the same, I found out that the high speed jet was clogged, I pulled the fuel line off the filtor(going to the carb), stuck the line into a mixture of half gas half carb cleaner, I fanned it up and in 2 or 3 minutes it started running well, hope this helps.
This sounds like a fuel filter with just enough dirt in it to allow some gas to seep through, but when the engine is started it will not provide enough to keep it running. Locate and close the spring tabs on either end of the filter. You will need to push something (a small bolt perhaps) in the ends of the fuel lines to prevent gas from coming out on both ends. Elevate them as well.
When you put the new filter own, you will have to use the choke more than usual to pump gas into the filter and up to the carb. If this isn't it, it is likely the fuel pump. Please write us back and let us know!
If the choke has an adjustment point, then adjust the choke to a good overall working powerband. If it still doesn't act correctly, look for vacuum leaks. If it is an option, you may want to install a manually operated choke lever.
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