GregHollenbeck Posted June 27 Report Share Posted June 27 Went to start my 447 UL SCDI on my ultralight and no start. (Luckily I wasn't flying at the time!) Discovered I had no spark to either spark plug. I changed to new plugs to no avail. I checked the on/off switch with a continuity tester and it is working correctly. This engine has a single coil assembly and I'm unsure what other testing I can do before I begin replacing parts. Any ideas? Quote Link to comment Share on other sites More sharing options...
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