Allis WD45. Runs for 20 minutes stalls and won't start

Bfish

New User
Looking for advice. Allis 45 ran for 20 min stalled out. Sat for few days then Changed all plugs wires pints condenser cap & rotor. Started ran for 20 minutes and stalled wont start
 
Trouble shoot then parts NEVER parts then trouble shoot because you can add to the problem by throwing parts at it.
#1 when it dies check for spark. It needs to be a blue/white spark and jump a 1/4 inch gap or more. If you have spark then go on to #2
#2 pull the carb drain plug and let the fuel flow for a few minutes. Catch it to look for water and dirt etc.
Which ever you have missing is where your problem is. Post back what you find so we can help you help your self
 
I concur with the other [poster..as soon as it runs long enough to get hot it cuts out..when it does pour some cold water over the coil and see if it restarts right away..you will know for sure its a bad coil
 
My old tractor was doing the same.

Replaced coil fixed it.

Also, open fuel tank cap as soon as motor dies, do you hear a swish of air entering the tank. If so, your fuel tank cap could have gotten stopped up. Your tank must be properly vented for the fuel to flow.
Let us know what you find wrong.
 

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