Exhaust/Header Questions...

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Originally Posted by riverrunner1984

Thanks for the great info. I will def bring this up to the mechanic.
I did have my carb rebuilt and the first time I took it on the water it had the hesitation problem.
Normally, the hesitation happens after it has been idling for a few minutes not if I take off right after I start it.

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Could be idling to rich if that's the case. You could try reving it in neutral a few times to clear it out before you take off. If it doesn't hesitate after doing that I would try leaning the idle mixture a bit.


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Originally Posted by Menace Marine

Could be idling to rich if that's the case. You could try reving it in neutral a few times to clear it out before you take off. If it doesn't hesitate after doing that I would try leaning the idle mixture a bit.


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Ok that sounds a bit more like it. I will def try that out.
Thanks again!!!

remember to lift your cover after fueling and sitting awhile just to get the gases out of the compartment.........

You guys, ( well, a few of you anyway ), seem to be concerned with "not enough air' getting to the engine with the cover down, and just now, about opening the cover to vent "gasses". I could be mistake here, but, isn't it a regulation that the manufacturer equip boats with engine covers, with ventilation, usually a scoop facing forward on one gunwale and one facing backwards on another gunwale? Isn't it some sort of regulation that boats built with covered engine compartments be equipped with a bilge "blower", that you run for a minute prior to starting the engine to clear any unwanted gasses from the bilge?( the "blower" switch on the instrument panel). If so, discussion of "no air", or "bad gasses", is likely moot I'd think.

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Originally Posted by spike morelli

You guys, ( well, a few of you anyway ), seem to be concerned with "not enough air' getting to the engine with the cover down, and just now, about opening the cover to vent "gasses". I could be mistake here, but, isn't it a regulation that the manufacturer equip boats with engine covers, with ventilation, usually a scoop facing forward on one gunwale and one facing backwards on another gunwale? Isn't it some sort of regulation that boats built with covered engine compartments be equipped with a bilge "blower", that you run for a minute prior to starting the engine to clear any unwanted gasses from the bilge?( the "blower" switch on the instrument panel). If so, discussion of "no air", or "bad gasses", is likely moot I'd think.

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My boat has a bilge blower. But I usually lift the hatch if it has been sitting for a while when I'm on the lake. Doesn't hurt to do this just to make sure all the fumes are all gone.