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Lower End HELP!!

Discussion Forum at MarineEngine.com » Mercury Mariner Outboard » Archive through August 14, 2009 » Lower End HELP!! « Previous Next »

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Tom Mialo
New member
Username: topcowmoo

Post Number: 1
Registered: 08-2009
Posted on Thursday, August 13, 2009 - 08:25 pm:   Edit Post Delete Post View Post/Check IP

Hello all. I am a newbie and need some help with my 1987 Mercury outboard lower end. I have had oil leaking from those two vent like things when the motor is trimmed all the way up. I just changed the oil and the two seals on the vent and other plug and trimmed it up and it started to leak from those spots again.

Heres a picture of the area im referring to:

http://www.boatpartstore.com/images/obdrive1.jpg

it is the section between A and B and has those 4 holes with a screw on the end.

Any help is much appreciated because i plan to go fishing toomrrow. Thanks again all!
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jamie campbell
Advanced Member
Username: outboard_doctor

Post Number: 503
Registered: 02-2009
Posted on Friday, August 14, 2009 - 05:41 am:   Edit Post Delete Post View Post/Check IP

remove the plugs and ensure there are no old washers stuck in the gearcase...check with a small screw driver and then fill up the lower unit and refit the drain and level bungs
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Tom Mialo
New member
Username: topcowmoo

Post Number: 2
Registered: 08-2009
Posted on Friday, August 14, 2009 - 07:51 am:   Edit Post Delete Post View Post/Check IP

I did that last night. It still is coming out of those vents. Not the plugs but those vertical vents on both sides.

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