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 MB 23hp hd lite vanguard 
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MMT Member

Joined: Wed Feb 22, 2012 9:01 pm
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Post MB 23hp hd lite vanguard
Took the boat out today and had a little issue and need some help. It would idle just fine but if I jumped on it hard it would want to die. I had to ease into the throttle. Once I was up and running it ran great. I slowed down to a low idle and the engine dies. In order for me to start it I had to choke it a little. What do you guys think fuel filter or gunked carb??? I just bought the motor and it runs like a dream out of water and this was my first day on the water w it. I also put brand new gas in it. Thanks


Sun Mar 04, 2012 2:07 pm
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Joined: Fri Jan 15, 2010 10:19 am
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Location: Georgia
Post Re: MB 23hp hd lite vanguard
What is your idle set at. Set it around 1200

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Sun Mar 04, 2012 3:56 pm
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Joined: Wed Feb 22, 2012 9:01 pm
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Post Re: MB 23hp hd lite vanguard
It is set at about 1100. I'm a little green how do I adjust idle?


Sun Mar 04, 2012 4:18 pm
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Post Re: MB 23hp hd lite vanguard
Sounds like trash in the carb

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Sun Mar 04, 2012 9:45 pm
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Joined: Fri Jan 20, 2012 11:56 pm
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Location: Abita Springs, LA
Post Re: MB 23hp hd lite vanguard
Need to take the carb apart and clean jets and emulsion tubes. If you or the preveous owner ran ethenol fuel there will be a gel like substance left behind. Check both plugs, most of the time one will be leaner than the other. Thats a good indicator that its trash in the carb.


Sun Mar 04, 2012 10:42 pm
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Post Re: MB 23hp hd lite vanguard
Thanks for all the help guys gonna get after the carb


Mon Mar 05, 2012 7:06 am
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