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post #1 of 11 (permalink) Old 06-04-2012, 12:08 PM Thread Starter
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motor problem

i got a 9.9 mercury motor ..95i think...motor runs till i get it out on water then after about 5 minutes it just sputtgers out ..motor sat for over a year..all gas was taken out..it has less than 30 hour run time..help..any suggestions? !!

the harder the are to locate..the more i like hunting em
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post #2 of 11 (permalink) Old 06-04-2012, 12:14 PM
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Re: motor problem

Is the fuel tank vented, sounds like a vapor lock.
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post #3 of 11 (permalink) Old 06-04-2012, 12:40 PM
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Re: motor problem

Quote:
Originally Posted by bawanajim
Is the fuel tank vented, sounds like a vapor lock.
First thing I thought as well.

does this happen at idle? at wot? or does it happen regardless of what throttle position?
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post #4 of 11 (permalink) Old 06-04-2012, 09:15 PM
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Re: motor problem

Check your gas line and primer bulb. Bulb should be firm, All the time when running.

I think I have the same year motor and make and replaced mine more than once.
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post #5 of 11 (permalink) Old 06-04-2012, 11:59 PM
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Re: motor problem

I agree sounds like the vents closed....or the carb needs a good cleaning or rebuild the carb...remeber this gas their making is crap and with clog the smalliest of passages in that carb...specially after sitting for a year.
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post #6 of 11 (permalink) Old 06-05-2012, 01:00 AM Thread Starter
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Re: motor problem

it would idle fine..shut down after about 5 minutes of running good ..vent was open..bulb felt hard ...today it wouldn't idle at all...i was thinking Carb problem ..I'm no expert tho..seemed like it wasn't getting fuel. tday

the harder the are to locate..the more i like hunting em
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post #7 of 11 (permalink) Old 06-05-2012, 01:12 AM
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Re: motor problem

Knowing that the motor sat for so long I'd rebuild the carb regardless. it doesn't take much for some of these little ports to get clogged up.
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post #8 of 11 (permalink) Old 06-05-2012, 01:31 AM
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Re: motor problem

did you use stabilizer in the tank? Ethanol rips those older engines and tanks up.

I would also suspect the fuel line, if there is a small crack in the hose or primer bulb it will suck in air and shut down.
Good Luck

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post #9 of 11 (permalink) Old 06-05-2012, 01:14 PM
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Re: motor problem

Starting to sound like ignition is craping out. Check the carb 1st,it don't need rebuilt just cleaned. That model 1/2 hour,if you know what you are doing. Then have ignition checked

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post #10 of 11 (permalink) Old 06-10-2012, 09:23 AM Thread Starter
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Re: motor problem

found problem ...i was getting water in my gas...seal on top of gas tank for the float was missing two screws ..gas tank is concaved a lull bit and water would just sit on top...also primer bulb fitting was loose and sucking air

the harder the are to locate..the more i like hunting em
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