Oil leak

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pelletouse
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Oil leak

Post by pelletouse » Tue Jan 08, 2019 12:21 pm

Good morning guys
I just realised yesterday that i have a small leak from the bottom screw of the outboard where it says oil.
What should i do?
Sorry maybe for the stupid question but i don't anything in mechanic.
I have a 30h mercury 2 strokes.
Thanks in advance
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Sullo
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Re: Oil leak

Post by Sullo » Tue Jan 08, 2019 5:52 pm

I'd say try getting a new washer to put on it,if oil comes out a bit milky looking change it as well.It is the drain and filler for gear oil.

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Re: Oil leak

Post by Sullo » Tue Jan 08, 2019 6:03 pm

Cant remember if it is a copper or teflon washer?

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Re: Oil leak

Post by mako » Wed Jan 09, 2019 12:18 am

If the oil is milky there is water mixed with the oil and the seal has worn and needs to be replaced or damage will occur to the gearbox.

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Re: Oil leak

Post by pelletouse » Tue Jan 15, 2019 1:33 pm

so i did drained the oil and when i took the bottom screw off some water came first and then oil, so i went the boat shop and ask he told me at first refill with new oil and then go for a run. I went fishing yesterday and checked this morning milky oil.
Anyone here know somewhere for free quote or know a good mechanic that won't charge me an harm?
thanks in advance

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fff1964
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Re: Oil leak

Post by fff1964 » Tue Jan 15, 2019 2:11 pm

Bugger
Could be just the seal maybe some line around shaft cut seal.........easy fix.
though if you have hit something with prop maybe bent shaft bigger job but still manageable at home.
but need the right tools :)
check prop shaft end see if it is bent give it a spin watch shaft.


then go from there.

Cheers
Last edited by fff1964 on Tue Jan 15, 2019 2:59 pm, edited 1 time in total.

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Re: Oil leak

Post by Blinky » Tue Jan 15, 2019 2:15 pm

Do another oil change and put screw back with new washer and Permatex.
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pelletouse
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Re: Oil leak

Post by pelletouse » Tue Jan 15, 2019 3:25 pm

I remember hiting something a while ago but didnt really pay attention until last week i find out that it was leaking.
To recap i did change both washer already, refill with new oil. Still leaking but not from the screw anymore but the prop shaft.
As you told me to do fff1964 looking if the shaft is bent i can see anything but i can see some oil leaking from the seal at the end of the shaft, so thats where its leaking from.
Do you think it is repairable by myself? The problem is i dont have much tool and little knowledge.

And blinky what is the permatex you are talking about, i try to look for but there is many types
.
Thanks in advance guy
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Blinky
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Re: Oil leak

Post by Blinky » Tue Jan 15, 2019 5:09 pm

Permatex
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pelletouse
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Re: Oil leak

Post by pelletouse » Tue Jan 15, 2019 5:37 pm

thanks blinky
It might be a stupid question but should i mix it with the oil or spread where it's leaking?
cheers

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Re: Oil leak

Post by Blinky » Wed Jan 16, 2019 11:42 am

pelletouse wrote:thanks blinky
It might be a stupid question but should i mix it with the oil or spread where it's leaking?
cheers
Put it under the new washer.
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pelletouse
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Re: Oil leak

Post by pelletouse » Thu Jan 17, 2019 4:01 pm

Good afternoon guys

I can clearly see the leak coming from the oil seal at the prop shaft, the seal that i put a picture few message back.
I was wondering if it's possible to change that seal for someone like me with little mechanic knowledge or i rather go to a real mechanic?
Thanks in advance

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Re: Oil leak

Post by camfisho97 » Thu Jan 17, 2019 5:31 pm

Best off going to a good mechanic, SP Marine is well priced and he knows his stuff. Would highly reccomend
5.2m Formosa, 115hp Yami. Towed by a trusty Landcruiser 79series!

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Re: Oil leak

Post by Daz12 » Thu Jan 17, 2019 9:21 pm

Pelletouse I did it once myself and it's a pr..k of a job. I think from memory I drilled a couple of holes in the seal then screwed in self tappers and wrenched it out with locking pliers (as per some youtube video I saw). Once you start there's no turning back either. Was glad I didn't damage anything and I'd never do it again, straight to the boat mechanic next time......

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Re: Oil leak

Post by pelletouse » Fri Jan 18, 2019 12:15 am

thanks guys
i'm definitely going to a mechanic as i don't want to wreck anything myself. Any good recommendation apart SP marine?
cheers

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