Small Engine Troubleshooting Problems? Ask a Mechanic Now.
Hello. Thank you for choosing Just Answer. My name is***** will be happy to assist you. We need to determine if our problem is fuel related, or ignition related. Do you have some carburetor cleaner in a can, or starting fluid?
If so, start your engine and let it run until it dies. After your engine dies, spray a small burst of carburetor cleaner, directly into your carburetor, to see if your engine will start right back up, or if you still have to wait until your engine cools off.
Your fuel shut off solenoid could be faulty, and failing after it heats up. It should click each time you turn your ignition switch on and off.
Thank you for checking. Does your solenoid still click after your engine heats up and dies?
What brand of mower is your engine on?
To get you the correct part numbers for your fuel shut off solenoid, I will need the make and model numbers for your engine.
I am not too familiar with Kubota engines, but I can say that fuel shut off solenoids are expensive, regardless of engine brand. It is best to make sure that it is actually at fault before replacing it.
Did you remove it, at the time you were preparing to clean your carburetor?
The spring loaded plunger in your solenoid should retract fully, when your ignition switch is on. You can test it by removing it from your carburetor, then re-attaching your wires, and turn your ignition switch to on position. Watch to see if the plunger fully retracts.
I would run this test for up to 10 minutes, just to see what happens after your solenoid heats up.
A faulty solenoid can sometimes work perfect when cold, but fails after it heats up.
Another thing to check, is your fuel flow from your fuel tank to your carburetor. Check it immediately after your engine dies. Sometimes sediments, floating around inside a fuel tank, can restrict your fuel flow after a few minutes.