at a loss.

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dclevelandjr86
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at a loss.

Post by dclevelandjr86 » Thu Mar 12, 2015 11:07 pm

I'm very new to the airboat world and am kinda stumped. my boat is a 0-370 and when I am at 1/4 throttle the boat runs great. And when I am at wide open throttle the boat runs great. But when in between the two, it backfires, skips pops the whole nine yards. What could this possibly be :violent1: thanks.

Scarecrow
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Re: at a loss.

Post by Scarecrow » Fri Mar 13, 2015 9:14 am

Are you sure it's not an 0360?

GMAC 76
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Re: at a loss.

Post by GMAC 76 » Fri Mar 13, 2015 10:33 am

check your magneto drop

dclevelandjr86
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Re: at a loss.

Post by dclevelandjr86 » Sat Mar 21, 2015 6:30 am

To he honest I have no clue what the boat motor is. I went by the airport in Avon park had a guy named keven look at it. He found an intake tube loose and the mags were not in time together. After fixing both the boat still does the same thing. We ran the boat with both mags on, then with only the left side mag, then the right side. same thing still happens. Could the carburetor have anything to do with this?

jeepinocala1111
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Re: at a loss.

Post by jeepinocala1111 » Sat Mar 21, 2015 9:48 am

It could be the carb but since you already found some simple issues I check over all the simple stuff first all tubes gaskets for leaks, check the plugs, plug wires , and then check that carb. Make sure there is not crap in the carb. How does the fuel look filter?

alumitech520
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Re: at a loss.

Post by alumitech520 » Sat Mar 21, 2015 7:09 pm

check the cylinder heads , possibility of one separating on you. my 540 did that and I had a cylinder separate. changed and no more issues. always a possibility. good luck

dusty burch
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Re: at a loss.

Post by dusty burch » Fri Apr 10, 2015 10:00 pm

Take it to a experienced engine shop that knows what to do it will save you money in the long run

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