When it's not starting you have to determine if its a fuel or an ignition problem. The ignition is easy just see if the coil and plugs are firing or not. If so, maybe its fuel related.. Is there an electric fuel pump and is it working and filling the carb bowl??? I have had Onans with bad elec fuel pumps and ALSO check any in line fuel filter. If it has an elec fuel pump insure its getting power and often you can hear to tell if they are running or not. I have (be safe) pulled the line from pump output to carb to see if its on and pumping or not..CHECK THAT FUEL FILTER
If its an elec problem (no spark) I have had a bad coil or condensor go bad once warmed up
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Today's Featured Article - A Cautionary Tale - by Ian Minshull. In the early 1950s my father bought an Allis Chalmers B and I used it for all the row crop work with the mangolds and potatoes, rolling and the haymaking on our farm. The farm and the Allis were sold and I have spent a lifetime working on farms throughout the country. I promised myself that one day I would own an Allis. That time event
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