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I have an mercury outboard 1980 ----1983, serial #(NNN) NNN-NNNN
I have an mercury outboard 1980 ----1983, serial #(NNN) NNN-NNNN it's supposed to be 80HP 2 stroke, the only thing that I'm sure about is the serial #??????????????… read more
Charles
Charles
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1988 60 HP Mercury outboard dies out after a few minutes at
1988 60 HP Mercury outboard dies out after a few minutes at Wide open throttle. It will remain idling if I pull back on the throttle to neutral . It idles fine , just lags and bogs down as I give it t… read more
Tan
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I inherited a black Mercury outboard. It is serial number
I inherited a black Mercury outboard. It is serial number(NNN) NNN-NNNN I was told that this is a 7.5 hp motor from 'wayback when.' I started it and ran it about a half hour. I have not been able to s… read more
orcamarine
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I have a 70 HP 1981 mercury outboard that has very little power.
I have a 70 HP 1981 mercury outboard that has very little power. It sat in my friends yard for 2 years without being run. I had to replace the stator and trigger because the wires were corroded on the… read more
orcamarine
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Have a 1990 Mercury 90 HP outboard engine, serial #(NNN) NNN-NNNN
Have a 1990 Mercury 90 HP outboard engine, serial #(NNN) NNN-NNNN which has had carburetors rebuilt, fuel pump I believe rebuilt, good compression, starts and idles good but cannot get over 5000 RPM's… read more
Tan
Tan
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Boat motor has been idle for some time. Just started it once
Boat motor has been idle for some time. Just started it once in a while, but did not run it. I still starts and idles fine, but it will not take a load. When excelerating it sputters, misses, bogs dow… read more
Tan
Tan
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Mercury outboard 1980 6 cyl , ser(NNN) NNN-NNNN Hi I am living
Hi I am living in south africa I have a mercury 6 cyl outboard (ser no(NNN) NNN-NNNN about a 1980 model My problem the motor starts easy runs smooth, revs good in neutral,when you are in the water and… read more
orcamarine
orcamarine
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I have what I belive to be an 1978 Mercury 25 HP outboard motor
I have what I belive to be an 1978 Mercury 25 HP outboard motor with electric start. On the outside of the engine are two decals that say "250" on them and one to the rear that says 25. I'm not sure i… read more
K. Kergan
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Hello, I have an old outboard engine Mercury 35 hp serial
Hello, I have an old outboard engine Mercury 35 hp serial number(NNN) NNN-NNNNtwo stroke (made ​​in Belgium) from 1989 to 1990? I would like to find online the procedure for setting the idle thank you… read more
Jeremy R.
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Have a 1984 mercury outboard 70 hp runs and idles great on
Have a 1984 mercury outboard 70 hp runs and idles great on a gardenhose took it to the lake cant give it any throttle bogs down and wants to die have a new fuel hose. could it be a carb problem? What … read more
Jason
Jason
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Boat motor - 1980-83 Merc 80 hp. 1.Cant get lever to lock
Boat motor - 1980-83 Merc 80 hp. 1.Cant get lever to lock in for reverse. 2 sometimes motor won't shift from forward to reverse and from reverse to forward. sometimes runs in forward with shift leaver… read more
Scott
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I have a Mercury 140hp outboard engine on a 1979 fishing boat.
I have a Mercury 140hp outboard engine on a 1979 fishing boat. I have a repair manual that covers multiple years for that outboard. I'm trying to figure out if the motor is the same year as the boat b… read more
K. Kergan
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A 70 hp, cranks and idles fine, does good for about 1/4 throttle
A 70 hp, cranks and idles fine, does good for about 1/4 throttle and if you try to go futher with the throttle the motor just dies out.… read more
Tan
Tan
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Hi. I now have the outboard. It is a Mercury 3.5hp (not 3.3)
Hi. I now have the outboard. It is a Mercury 3.5hp (not 3.3) and the serial number is(NNN) NNN-NNNN Hope you can now provide details of a manual etc. Thank you… read more
Whitecap36
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hi, i have a 20 hp mercury motor, serial number 4054392, i
hi, i have a 20 hp mercury motor, serial number(NNN) NNN-NNNN i think it was manufactured in 1980 aprox, it runs so good, but i am looking for the complete kit of oil seals for the lower unit and for … read more
Tan
Tan
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hi . wondering would ye be able to tell me what year my mercury
hi . wondering would ye be able to tell me what year my mercury 80 outboard ,serial no(NNN) NNN-NNNN, was made ? many thanks , jason carr ,ireland .also what is the fuel ratio ?… read more
Kenny
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I have a 1980 Mercury 175 hp outboard with skeg damage. I am
I have a 1980 Mercury 175 hp outboard with skeg damage. I am thinking about just replacing the lower unit. I know multiple year and engine sizes will fit this, I just don't know which ones will. Can y… read more
Pappy's Sales and Service
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i have a old mercury engine 70 hp serial no(NNN) NNN-NNNN starts
i have a old mercury engine 70 hp serial no(NNN) NNN-NNNN starts ok slight revs ok when trying to throttle up engine dies and cuts out start ok again… read more
Captain Dave
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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