Onan 5500 Backfires and Dies under a load
Good Morning.. Im hoping to find the Onan guru's that are here... For the past year I have been searching for answers and replacing parts with no improvement. I have an Onan 5500 with less than 100...
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When I had that happen to my onan,I found a broken valve spring. Worth a look. ( it had about 150 hours on it.)
