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  #1   IP: 24.245.103.196
Old 07-16-2020, 07:08 PM
SoMD Terp SoMD Terp is offline
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Engine Starting Issue

I was motoring and as I came into the dock my engine just cut out. When I got ready to leave about a half hour later it had trouble starting. I noticed 1 battery bad effectively dead, but I was able to get it to start after a few tries. Now, I can’t get it to start at all. I replaced the bad battery and it sounds a little better. Appears to be getting fuel and adding start fluid makes no difference (usually fires up quick if that is needed). Spark plugs look ok, but I will try to get new ones just in case.

I am worried it has something to do with the ignition, since when the engine just shut off the key was left in the same position. Did I burn something out because of that?

Could someone give me a real basic walkthrough on how to troubleshoot the ignition to make sure plugs are getting energized? It tries to turn over, so that’s my best guess
  #2   IP: 100.40.58.241
Old 07-16-2020, 08:36 PM
jcwright jcwright is offline
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Hello SoMD.

A good overview of how to check your ignition system is provided in this newsletter from MMI:

http://www.moyerphoto.com/moyermarineNL/spring2011.html

Re your question about leaving the key in the on position: yes, it is possible that this damaged the coil.

There are several ways to test whether each plug is energized. I've always used a simple spark tester, which you can get at most auto parts stores.

Jack.
  #3   IP: 24.245.103.196
Old 07-17-2020, 02:13 PM
SoMD Terp SoMD Terp is offline
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Jack, thanks. I watched the coil video yesterday as well and will see what I can replicate. Finding a second set of hands is tricky right now, so I’ll do my best myself.

Is the easiest way to try and get a spark from the coil, and the plugs, without turning the ignition using the jumper described in the coil video? I have to see if I have any wiring I could use for that.
  #4   IP: 24.245.103.196
Old 07-18-2020, 08:40 AM
SoMD Terp SoMD Terp is offline
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Problem solved. Looks like new spark plugs did the trick after I confirmed they were getting a spark.
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