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Mercury mechanic #3808242 12/02/12 07:25 PM
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duckhunter55 Offline OP
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Anyone know of a mercury guy around Bonham ?


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Re: Mercury mechanic [Re: duckhunter55] #3808354 12/02/12 08:21 PM
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Featherduster Offline
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What's wrong with your motor?

Re: Mercury mechanic [Re: Featherduster] #3808432 12/02/12 09:03 PM
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Know a guy in cottondale which is close to Decatur. He works on anything.

Re: Mercury mechanic [Re: Featherduster] #3808575 12/02/12 10:18 PM
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Motor was running Fri.Moved the boat 75 miles and it won't run.Its trying but doesn't seem to be getting fuel.Put new fuel hose on tank and same results.Its a 02 25hp merc.


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Re: Mercury mechanic [Re: duckhunter55] #3808660 12/02/12 11:00 PM
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is there an air valve on your gas tank? It should be open just a smidge. Sometimes they can work themselves open/closed just a little too much. Had it happen to me. Just something easy to check...




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Re: Mercury mechanic [Re: FowlDreams] #3808992 12/03/12 01:12 AM
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duckhunter55 Offline OP
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I have it cracked open a qtr turn.could that be to much.when I choke the mtr to try and start it I get no response.I turn the choke off and it almost starts.


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Re: Mercury mechanic [Re: duckhunter55] #3809035 12/03/12 01:26 AM
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maybe, but that sounds about right... I'm not good at this stuff in words online haha. If I could see/hear it in person I could probably help. There should be a couple guys here that can help, or point you in the right direction.

Old gas? dirty carb? There's a lot of small things you can do/try without taking anything apart and before you take it to a mechanic and pay an arm and a leg for a $2 fix.




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Re: Mercury mechanic [Re: FowlDreams] #3809053 12/03/12 01:31 AM
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Thanks .


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Re: Mercury mechanic [Re: duckhunter55] #3809081 12/03/12 01:39 AM
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Yeah. If it was running fine before the haul I would think it's got to be something small/simple. No real reason for something major to be mechanically wrong. Although boat motors can be finicky of course.




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Re: Mercury mechanic [Re: FowlDreams] #3809201 12/03/12 02:17 AM
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I had mine just do the same thing, was a gummed up needle valve. Ran fine for 15 years, and instantly stopped with no sign of trouble. Stripped her down, cleaned it up, and she's good as new.


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Re: Mercury mechanic [Re: duckboy007] #3809254 12/03/12 02:34 AM
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How hard is it to take the carb off and clean it up?Im pretty good at fixing anything.I used to own an automotive equip service co.
Thanks

Last edited by duckhunter55; 12/03/12 02:35 AM. Reason: Misspell

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Re: Mercury mechanic [Re: duckhunter55] #3809274 12/03/12 02:38 AM
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shouldn't be too bad. Just put it back like you take it off rofl I know that's easier said than done most times. You might could just run some carb cleaner through it and give it some shots of B12 that may help it start then the cleaner will clean it up. Unless it's never been cleaned it may be kind of dirty. Also I'm not sure but there may be some sort of fuel filter that could have gunk in it too causing your problems. After that 75 mile ride something in there could've wiggled around and is now blocking the fuel.

Re: Mercury mechanic [Re: duckhunter55] #3809350 12/03/12 02:53 AM
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I just did about 4 of them on boats and four wheelers. It isn't hard. THe best way to do it is use a digital camera. It is free to just snap a pic of every part you take off the carb, before you take it off. Then just reference your pc with any questions.

Note to self or whoever. If you have a screw with a spring and you are removing it. Count the turns it takes to come loose. Write that number on a piece of paper and put it in the photograph. That way you can count the turns going back in and get the adjustment close.

Give it a try. I am pretty sure trailering your boat broke some gunk loose in the carb. The crap that came out of all the ones I just built looked like crystalized vaseline.

Last edited by WAL1809; 12/03/12 02:54 AM.
Re: Mercury mechanic [Re: wal1809] #3809399 12/03/12 03:06 AM
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Ain't hard at all, there were only two bolts holding mine on. After disconnecting the idle /choke knob, it was smooth sailing. My carb was clean, scary clean actually, but when I took the bowl off, the valve the float pushed on was stuck. I run blue stabil religiously, but I guess sometimes things stick.

First you need to isolate that it for sure the fuel, and not spark. I usually spray some fuel in the carb and she'll crank up if everything else is right, but my 98 is a gentle girl, doesn't take much to get her going. I feed her a new set of plugs every 2-3 years, that keeps her young.

I was able to troubleshoot that I had no fuel in the bowl by pressing the primer button on the right side of the carb. I could feel that it was pumping air. Not sure if the 02 has the same carb or not. If you take the flywheel cover and the starter off, you have a lot more room to work with.


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