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Re: Outboard motor help
[Re: sethjamtoe]
#397942
09/02/12 01:13 PM
09/02/12 01:13 PM
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Joined: Apr 2000
Posts: 19,803
Hueytown
MANGLER
2016 Moderator of the Year
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2016 Moderator of the Year
Joined: Apr 2000
Posts: 19,803
Hueytown
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I have a 1986 25hp Merc doing the same exact thing. Just haven't had time to mess with it.....maybe a winter project. I'm tackling the carb first and new plugs along with new fuel tank and lines. Hopefully that'll do it. It runs great on the hose, but under load is a dog. I'm oping just clogged jets or sticking float. I got an old 7.5 hp that hadn't been run in years. Cleaned the carb replaced the fuel lines added a filter but used the old tank(Mistake). First time I took it to the river it cranked an ran like a top. I was happy as I could be. Then the water pump quit. I had figured on that so I replace that. Next time I take it it's doing what ya'll said cranking and idling fine but bogs under load. So I cleaned the carb again and it was still doing it. I was getting ready to shitcan it. Finally I took it out held the throttle wide open let it bog around and I cussed it with every thing I had. It putted a couple time and then bang it kicked it out and ran like hell. It ran great all summer after that but it started giving me problems last trip. I'm going to have to replace the old tank.
One day the right woman will come along and the next thing you know you'll be wearing her underwear!
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Re: Outboard motor help
[Re: sethjamtoe]
#397947
09/02/12 01:18 PM
09/02/12 01:18 PM
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Joined: Jul 2011
Posts: 6,621
Mobile,AL
jsh1904
14 point
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14 point
Joined: Jul 2011
Posts: 6,621
Mobile,AL
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I have a 1986 25hp Merc doing the same exact thing. Just haven't had time to mess with it.....maybe a winter project. I'm tackling the carb first and new plugs along with new fuel tank and lines. Hopefully that'll do it. It runs great on the hose, but under load is a dog. I'm oping just clogged jets or sticking float. Don't know about you but I'll be hunting this winter. Let me know if ya need a hand, should be an easy project. Just take that thing apart and soak it.
Last edited by jsh1904; 09/02/12 01:19 PM. Reason: typing like i just smoked a rock
This post is protected by copyright. Anyone found posting here is subject to certified mail from my gay sister.
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Re: Outboard motor help
[Re: 3toe]
#398040
09/02/12 04:39 PM
09/02/12 04:39 PM
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Joined: Jul 2002
Posts: 3,865
Shelby County
BassCat
10 point
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10 point
Joined: Jul 2002
Posts: 3,865
Shelby County
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Sounds like its not getting enough fuel to me. Check fuel filter then fuel pump. Both are easy to get to and check.
If you claim to be a Christian then why do you act like the devil? You will be known by the fruit you bear!
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Re: Outboard motor help
[Re: BassCat]
#398044
09/02/12 04:48 PM
09/02/12 04:48 PM
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Joined: Jul 2011
Posts: 39,448
Marshall County
FurFlyin
Freak of Nature
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Freak of Nature
Joined: Jul 2011
Posts: 39,448
Marshall County
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Sounds like its not getting enough fuel to me. Check fuel filter then fuel pump. Both are easy to get to and check. The fuel pump caused the same problem on mine. Run it in your driveway and lift the gas tank (if it's not a built in) higher than the motor. If the problem gets better, fuel pump. If the carb has a mixture screw on it, it could be out of adjustment too. Like others said, I'd check everything on the fuel system before I started replacing electrical equipment.
If my people, who are called by my name, will humble themselves and pray and seek my face and turn from their wicked ways, then will I hear from heaven and will forgive their sin and will heal their land. 2 Chronicles 7:14
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Re: Outboard motor help
[Re: 3toe]
#398048
09/02/12 04:51 PM
09/02/12 04:51 PM
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Joined: Jul 2011
Posts: 39,448
Marshall County
FurFlyin
Freak of Nature
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Freak of Nature
Joined: Jul 2011
Posts: 39,448
Marshall County
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Since the motor is on a pontoon, I thought this would make you feel better. It made me feel tingly. Especially the fuzzy headed blonde. EDIT: Okay, they both do. Pontoon
Last edited by FurFlyin; 09/02/12 04:56 PM.
If my people, who are called by my name, will humble themselves and pray and seek my face and turn from their wicked ways, then will I hear from heaven and will forgive their sin and will heal their land. 2 Chronicles 7:14
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Re: Outboard motor help
[Re: 3toe]
#398305
09/03/12 08:50 AM
09/03/12 08:50 AM
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Joined: Dec 2002
Posts: 11,346
Kennedy, al
globe
Booner
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Booner
Joined: Dec 2002
Posts: 11,346
Kennedy, al
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Needle and seat in the carb is the cheapest and most likely fix to try first.
Everything woke turns to shucks
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Re: Outboard motor help
[Re: jsh1904]
#398347
09/03/12 10:14 AM
09/03/12 10:14 AM
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Joined: Feb 2007
Posts: 5,407
Irvington, AL
sethjamtoe
12 point
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12 point
Joined: Feb 2007
Posts: 5,407
Irvington, AL
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I have a 1986 25hp Merc doing the same exact thing. Just haven't had time to mess with it.....maybe a winter project. I'm tackling the carb first and new plugs along with new fuel tank and lines. Hopefully that'll do it. It runs great on the hose, but under load is a dog. I'm oping just clogged jets or sticking float. Don't know about you but I'll be hunting this winter. Let me know if ya need a hand, should be an easy project. Just take that thing apart and soak it. I'll be hunting too, but will mess with it on weeknights after work over a beer or twelve! If you need an excuse to drink a beer, come on over!
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