BII outdrive oil leak?

Go Aweigh2452

Petty Officer 2nd Class
Joined
Nov 30, 2010
Messages
116
Background: I had the shop replace my gimbal bearing and serviced the outdrive at the same time for the end of the season. We used the boat twice since then for short runs. I garaged the boat afterward and lowered the outdrive. I noticed a little outdrive oil under the drive. I raised the outdrive so I can pull the boat out and prepare for this weekends Christmas parade/show and noticed black oil dripping out of the lower unit vents when the outdrive was put in the trailer position. I also noticed my gear oil reservoir is almost at the add limit which is not normal as I keep it at the fill limit.

So the question of the day is...

What possibly caused this drip?
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Don S

Honorary Moderator Emeritus
Joined
Aug 31, 2004
Messages
62,321
Re: BII outdrive oil leak?

There is an oil passage quad ring, just inside the water passage oring that is probably leaking. The only way to get to it is to remove the lower unit from the upper. The picture below isn't a great picture, but it shows the quad ring in the lower part of the image.
BTW, welcome to iboats. give up the other place ;)

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Don S

Honorary Moderator Emeritus
Joined
Aug 31, 2004
Messages
62,321
Re: BII outdrive oil leak?

Posted to quick, here is a better picture. The quad ring 52 sits inside the #13 oring,

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