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Unread 06-03-2019, 02:25 PM   #1
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Default 1989 EZGO Marathon 3pg Troubleshooting

Long time listener, first time caller. I have a 1989 Ezgo Marathon, 3pg engine. The other day I was reversing up a minor grade hill and just completely lost acceleration & RPMs. I now have almost no "pull" in forward or reverse and I don't think the engine is actually firing...what little pull I do get (and I mean little) looks to just be from the starter. I ran through all the checks...new carb, new filters, checked flow in all fuel lines, good spark, compression at 120psi. I have new ignition coil on order and would probably go with a new ignitor if the coil proves no help. Just thought I would see if anyone had other items I should troubleshoot. I sure would appreciate any insight!
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Unread 06-03-2019, 03:01 PM   #2
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Default Re: 1989 EZGO Marathon 3pg Troubleshooting

Take a video of how it is doing and upload to youtube. Then link it here
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Unread 06-03-2019, 09:49 PM   #3
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Default Re: 1989 EZGO Marathon 3pg Troubleshooting

youtu.be/c1EcbAAOvLs
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Unread 06-03-2019, 09:56 PM   #4
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Default Re: 1989 EZGO Marathon 3pg Troubleshooting

http://www.youtube.com/watch?v=c1Ecb...ature=youtu.be
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Unread 06-04-2019, 07:49 AM   #5
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Default Re: 1989 EZGO Marathon 3pg Troubleshooting

Thanks MILLERTIME - Haven't been on the board long enough to post links!
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Unread 06-04-2019, 08:22 AM   #6
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Default Re: 1989 EZGO Marathon 3pg Troubleshooting

It was running a little, but I don't like that banging sound.
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Unread 06-04-2019, 10:45 AM   #7
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Default Re: 1989 EZGO Marathon 3pg Troubleshooting

It was trying to run, Sounds like it's getting spark. You say 120 lbs compression, I'd start with a fuel issue, pull the plug to see if it's wet or dry and go from there
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Unread 06-04-2019, 05:27 PM   #8
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Default Re: 1989 EZGO Marathon 3pg Troubleshooting

Its wet. Checked the fuel flow at each point in the fuel lines and everything says its getting fuel.
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Unread 06-04-2019, 07:08 PM   #9
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Default Re: 1989 EZGO Marathon 3pg Troubleshooting

Drive clutch is 1 year old, I’m feeling like it may be drive clutch or hub. ??
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Unread 06-04-2019, 07:50 PM   #10
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Default Re: 1989 EZGO Marathon 3pg Troubleshooting

It's not the clutch. That engine isn't running right, and I hear a banging sound.
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