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Type: Posts; User: Mondo14
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07-06-2022, 09:23 PM
Thread: ISO Indmar Exhaust Manifold 531401
by Mondo14- Replies
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I got this boat with 12 hours on the newly...
I got this boat with 12 hours on the newly replace Jasper motor after the previous owner didn’t winterize it and blew it. Our guess is the frozen water cracked the intake causing the original motor...
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07-06-2022, 06:39 PM
Thread: ISO Indmar Exhaust Manifold 531401
by Mondo14- Replies
- 2
- Views
- 1,230
ISO Indmar Exhaust Manifold 531401
I have a bad exhaust manifold and I can’t find one anywhere. It took almost 3 months for the shop to get to it and diagnose the issue and now they are back ordered everywhere I’ve looked. PN 531401...
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02-02-2022, 04:30 PM
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Well I finally figured it out and got it running....
Well I finally figured it out and got it running. It was the ECM. Tested the harness with the pin out from Indmar and it was good so ordered an new ECM from inboardonline.com and they had it to me in...
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11-20-2021, 09:43 PM
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So after over a month at the local dealer they...
So after over a month at the local dealer they finally found the issue. It's a bad harness to the injectors causing 4 injectors to not fire. So after changing the cap and rotor, changing the plugs,...
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10-01-2021, 10:33 PM
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Changed the cap and rotor, made sure too mark and...
Changed the cap and rotor, made sure too mark and put wires in their right spots. All have spark now but back to a rough idle that sounds like it’s got a cam and runs smooth at around 3k rpms. All...
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10-01-2021, 06:46 PM
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Well after draining and drying and filling back...
Well after draining and drying and filling back up and putting 360 Sta-bil in it to remove any water left in the system and replacing the plugs it still idled rough. So I checked the spark on...
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09-29-2021, 03:38 PM
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So after draining the tank, I did find water in...
So after draining the tank, I did find water in the bottom of it. Not a lot but enough as there were puddles of water on both sides near the front of the tank. I was able to gain access thru the...
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09-26-2021, 08:10 PM
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Thanks. Water in the gas was also something I was...
Thanks. Water in the gas was also something I was considering would cause this. Now to get it all drained and the water out 🤦🏻*♂️
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09-26-2021, 07:35 PM
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After filling up with 87 octane it won’t stay running
2014 Moomba Mondo with Indmar 330. Just got it 2 weeks ago, 3rd time on the water with it. First issue.
So at the pumps this weekend my buddy offered to fill it up and he put 87 in it. I forgot...
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