Craftsman 5hp rototiller won't stay running
Rototiller ran great then tried to continue work after about an hour and the rototiller would run for a couple minutes of tilling and would just cut out. It will start back up and run while not under load but will only go for about a minute under load. The motor starts surging then cuts out. If someone can tell me fix this it would be fantastic. I am going to say you need to clean the carburetor. Post model numbers, etc. for engine and tiller for more specific guidance. Originally Posted by Airman I am going to say you need to clean the carburetor. Post model numbers, etc. for engine and tiller for more specific guidance. Model# 917.291481 24 5hp front tine. I cleaned the carb and is still doing the same. It runs for about a minute or two then seems like it is starving for fuel. I checked the fule tank and fuel seems to be flowing well. I can not find a fuel filter so I am not sure what could be the problem. You originally mentioned “surging” and that had me focus on the carburetor. The problem may not be with the carburetor but I will not rule it out. Check the tightness of the fasteners that secure the carburetor. First, install a new spark plug, Champion RC12YC or equivalent, and see if it runs OK. If the spark plug does not correct the problem, connect an inline spark tester between the spark plug wire and the spark plug. Operate the tiller. Immediately when the engine begins to fail observe the inline tester and see if it shows the engine firing. Then immediately after the engine quits attempt to start the engine while observing the inline tester to see if it shows the engine firing. If the engine is not firing you will need to replace the ignition coil. An inexpensive inline spark tester should be available at your local auto parts store. If you continue to have ignition when the engine shuts down it is time to thoroughly clean the carburetor. View the links below on carburetor cleaning. To correctly clean the carburetor you will need to remove the welch plug and install a new welch plug after cleaning. Post back if you need assistance with the welch plug or anything else. If the carburetor is not heavily soiled, you can use an inexpensive aerosol carburetor cleaner in place of soaking the carburetor. A welch plug is a disc of metal used to cover a machined hole where fuel passages are located. To clean the fuel passages the welch plug must be removed. The Welch plug is Key No. 127 Part No. 691739 in the document link below: http://www.managemyhome.com/mmh/lis_...M/L0311230.pdf Carburetor cleaning/rebuild: What are the procedures to follow when overhauling the carburetor? try running the gas cap loose. you may have a blocked vent. Also try a new spark plug. I will try all and post my results, thank you for replying so quick I have rebuilt the carb, new spark plug, filter, fuel, losened gas cap, checked spark while running and when dying. Still having same issue. I did fill the fuel tank to almost overflowing and it seemed to sun perfect for about 10 mins. Then went back to same, I kept trying to keep it full to get same result but it kept going back to same quicker and quicker. I am stumped. I pulled apart the carb one more time and blew out the 90 where the fuel enters the carb and emptied the tank and blew that out. Put it back together and it seems to be running fine. Thanks for all your help airman and indypower!!!
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