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We have a mercury outboard 25 4-stroke, purchased 2013 model
We have a mercury outboard 25 4-stroke, purchased 2013 model !-A25411 F K. Runs fine, was winterized, after couple of uses this early summer, noticed oil leaking seems to be around the exhaust by the … read more
Charles
Charles
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Leaking lower unit oil, I have a 5.0 liter motor, I just got
leaking lower unit oil, I have a 5.0 liter motor, I just got it seviced when I got home I checked it out and when I put the leg down , some oil came out of the vents above the prop, I think that is th… read more
Tan
Tan
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I have a 1994-1995 mercury 40 hp 4 cyl 2 stroke. serial #
I have a 1994-1995 mercury 40 hp 4 cyl 2 stroke. serial # XXXXX I noticed yesterday after changing the lower unit oil, a leak coming from around the prop after I ran it for approx. 2 minutes on muffs.… read more
Joe
Joe
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I have an old 19 ft Gulfstream powerboat. It leaves us stranded
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Jeff G.
Jeff G.
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I went to lake Gunterville for 4 days of fishing in October
I went to lake Gunterville for 4 days of fishing in October and the mercury 150 optimax ran like new the whole time. no problems. a week after I got back I noticed oil leaking out of the back of the p… read more
Tan
Tan
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Out on the Murray in my recently acquired punt with 9.8 HP
Out on the Murray in my recently acquired punt with 9.8 HP twin Mercury when suddenly lost drive to the prop. ?gearbox or is there a shear pin somewhere? Motor still runs. Has run on bottom in mud onc… read more
Charles
Charles
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i replaced the waterpump impeller and related parts on my 2001
i replaced the waterpump impeller and related parts on my 2001 Mercury 150HP outboard as preventative maintenance, ( it was working fine), also replaced the lower unit oil which looked normal when I d… read more
Tan
Tan
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does a 1985 mercury 18zd have a gearbox with gear oil ,that
does a 1985 mercury 18zd have a gearbox with gear oil ,that could leak and how do i fill it up. when i tested newly acquired engine and tested it in drum of water ,there was oil floating on the surfac… read more
James
James
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Vocational, Technical or Trade Scho
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I need to change the impellor on my 1968 merc 110 9.8, cannot
I need to change the impellor on my 1968 merc 110 9.8, cannot find a mercury manual anywhere, there are other available but they do not have specifics for this year and model. Looking for a diagram an… read more
James
James
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Vocational, Technical or Trade Scho
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I have a customer that I just replaced his water Impeller for
I have a customer that I just replaced his water Impeller for him in a Mercury 9.8 says 110 on the hood. It's an older motor. But now he is concerned that the motor is getting to hot. says the lower u… read more
Jeff G.
Jeff G.
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Vocational, Technical or Trade Scho
4,730 satisfied customers
A change of gear oil in my 60HP evinrude found water, lots
A change of gear oil in my 60HP evinrude found water, lots about 50%. New gear oil installed and no visable leak. After5 days with motor tilted,no use, Itilted motor and saw a small oil slickor film. … read more
Whitecap36
Whitecap36
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i got a 1973 mercury 65 hp and my water pump is out and i was
i got a 1973 mercury 65 hp and my water pump is out and i was just wandering which wayis the perpeler spose 2 run… read more
Whitecap36
Whitecap36
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Vocational, Technical or Trade Scho
1,556 satisfied customers
I have a Mercury 9.8 horse outboard motor. Model 110. I fish
I have a Mercury 9.8 horse outboard motor. Model 110. I fish on a river in Northern Ontario Canada. The river gets very weedy in the summer and I am constantly pulling weeds out of the prop. The Motor… read more
orcamarine
orcamarine
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just purchased a 1989 johnson 140 outboard ,whats the best
just purchased a 1989 johnson 140 outboard ,whats the best lower unit oil for it.& What if i open up the plug & it come's out white,please tell me there might be a white gear oil.… read more
capt ron 1959
capt ron 1959
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Hi i have a new bowrider 175. It is leaking gear lube. we have
Hi i have a new bowrider 175. It is leaking gear lube. we have only had it out a handful of times so far. last time it was out a plastic bag got stuck to the prop and was vibrating the boat while we w… read more
Jason Forsberg
Jason Forsberg
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Vocational, Technical or Trade Scho
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found emulsified oil/water in the lower unit of my 2004 mercury
found emulsified oil/water in the lower unit of my 2004 mercury bigfoot 25 horse, am attempting to take lower unit off to examine seals, have the prop and shaft out, will the lower unit casing drop wi… read more
Michael
Michael
master marine technician/charter captain
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hi my question is i have a 1993 mercury 8 horse motor i was
hi my question is i have a 1993 mercury 8 horse motor i was flushing the motor cooling system when i took the prop off to do this and ran the motor after i was done i noticed thick foamy grease or oil… read more
Mechman45
Mechman45
Vocational, Technical or Trade School
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I lowered my motor and oil drained out where the prop is ...
I lowered my motor and oil drained out where the prop is mounted. I have worked on car engines but do not know anything about outboard motors.… read more
Pappy's Sales and Service
Pappy's Sales and Service
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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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