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Old 09-04-2017, 11:04 PM   #1
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Default Carb problem

OK guys I have had it with this problem with the starboard side engine/carb on 01 Maxum 3000 w/ twin 5.0 L 2 barrel mercury carburetors with bravo ll's

The symptoms are: pull the throttle out, neutral , give it one pump, turn the key and the engine turn over and it starts. Give it gas , it flutters and dies. Start it up again and same thing. Sometimes I can feather the rpm's up but will not hold and the engines dies. I can keep it running at idle rpm's but as I throttle up it dies. What gives ....

Roger

PS . my new mechanic Tony is coming over to look at the boat this wednesday.
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Old 09-04-2017, 11:08 PM   #2
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When was the last time the carb was rebuilt?

National Carberutor is here in Jacksonville, and they have a lifetime warranty. I take my carbs back every couple years for a free freshening up. They actually test and tune the carbs on an engine each time.

My engines start on the second rotation of cranking every time, without touching the throttles.

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Old 09-04-2017, 11:11 PM   #3
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OK guys I have had it with this problem with the starboard side engine/carb on 01 Maxum 3000 w/ twin 5.0 L 2 barrel mercury carburetors with bravo ll's

The symptoms are: pull the throttle out, neutral , give it one pump, turn the key and the engine turn over and it starts. Give it gas , it flutters and dies. Start it up again and same thing. Sometimes I can feather the rpm's up but will not hold and the engines dies. I can keep it running at idle rpm's but as I throttle up it dies. What gives ....

Roger

PS . my new mechanic Tony is coming over to look at the boat this wednesday.
I thought Tonys only worked on Fiats. Ya know, Fix It Again Tony.

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Old 09-04-2017, 11:32 PM   #4
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Different Tony but.....This is serious Kev! I had to stay on the dock and drink beer all afternoon today! Lol Happy labor day!

I think it might be time for a rebuild kit!

Roger
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Old 09-04-2017, 11:34 PM   #5
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I just went through the same problem with my 99 scr 3000. I had it rebuilt and it kept doing it. We played around with the idle would get it to work but a day later same problem. My mechanic explained that there are little parts that wear out over time in the carb and are not part of the rebuild. So I bit the bullet and grabbed a new carb. Working fine now. Really wasted time and money on the whole rebuild in hindsight I should have just put a new carb on to begin with. Hope this helps.

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Old 09-04-2017, 11:38 PM   #6
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Different Tony but.....This is serious Kev! I had to stay on the dock and drink beer all afternoon today! Lol Happy labor day!

I think it might be time for a rebuild kit!

Roger
Just send it out and have a pro do it. Much better results. Look up national Carberutor. Or ship them to me and I'll run them over. Their shop is down the road.

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Old 09-04-2017, 11:39 PM   #7
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Different Tony but.....This is serious Kev! I had to stay on the dock and drink beer all afternoon today! Lol Happy labor day!

I think it might be time for a rebuild kit!

Roger
That's a shame. My generator is running great now. We stayed out on the hook, put 24 hours on the gen. Everything worked great.

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Old 09-04-2017, 11:51 PM   #8
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Jayesq......where did u go for your carb?

Roger
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Old 09-04-2017, 11:52 PM   #9
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About 750

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Old 09-04-2017, 11:54 PM   #10
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Also this was I believe the 3rd time I had rebuilt it before going for the new one

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