Ariens Mower Runs, Stops, Must be Jumped

When it shuts down and you have no spark, I would be changing the coil. My guess is that it is shorting out when it gets hot. Once you get it running check battery voltage across the two battery terminals at 3/4 throttle. You should get a reading of over 13 volts.
 
That voltage tells me that you have either a bad stator or voltage regulator. Can you post the engine model numbers so I can see the type of charging system you have.
 
The engine is model 406777, type 0130E1, code 020529YG.

I tried running it again today. Seems like an overheating problem causing the engine to quit. If I jump it shortly after it quits it quits again in a short period. After waiting a day between jumping, it will run longer.
 
There were 4 different stators used on you engine. Can you post some pictures of the wiring coming out of the engine, with the plugs they go into and any parts to which they are connected.
 
There seems to be more then one problem here, has already posted up I would go for a new coil when hot I believe the coil is going to ground, and then replace the voltage regulator because you are not getting the power you should be, if after that you are not getting 13volts+ then replace the stator.
 

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Photos of wiring to the engine are attached.
 

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If you look at the diagram in post number 17, any of the plugs look like yours? I know that there may be more than one. Do you have a part that looks like part number 501 or 501A? That is the voltage regular, which might be bad. If we can figure out exactly which system you have, I know that EngineMan will be able to post a diagram of how to test it to pinpoint which part is bad.
 
Mine looks like 789A and I definitely have 501A voltage regulator ---- was wondering what that was. Thank you guys for all the help so far, it is really appreciated!
 
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