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#11513620 - 03/31/16 10:13 AM Changing the lower unit oil on a Merc 250hp torque master
Texascajun69 Offline
Pro Angler

Registered: 04/06/09
Posts: 567
Loc: Midlothian, Texas, USA
I am trying to change the oil in my lower unit and there appears to be NO drain hole. All of my other Merc's had a plug on the bottom side of the shaft bulge and another up higher no the side. I cannot find a drain hole.

Any help.
_________________________
John K Fontenot-
The greatest joy in a parent's life is to see his sons grow into really good bass anglers.

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#11513625 - 03/31/16 10:16 AM Re: Changing the lower unit oil on a Merc 250hp torque master [Re: Texascajun69]
epicoutdoors Offline
Extreme Angler

Registered: 02/18/08
Posts: 1919
Loc: On The Water NE Texas
Remove the prop. There it is!

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#11513646 - 03/31/16 10:23 AM Re: Changing the lower unit oil on a Merc 250hp torque master [Re: Texascajun69]
Texascajun69 Offline
Pro Angler

Registered: 04/06/09
Posts: 567
Loc: Midlothian, Texas, USA
Thanks That was my next move.
_________________________
John K Fontenot-
The greatest joy in a parent's life is to see his sons grow into really good bass anglers.

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#11513951 - 03/31/16 12:37 PM Re: Changing the lower unit oil on a Merc 250hp torque master [Re: Texascajun69]
JimmyP Offline
Pro Angler

Registered: 11/26/12
Posts: 806
Loc: Waxahachie, Texas
Put a level on the lower unit and make sure it is level when you refill. Once oil starts running out the top hole stop filling and let the oil drip until it stops running out. Don't just keep pumping and cap it off while still running out. The Torquemasters don't have a lot of open space in them and overfilling causes a pressure buildup that can cause the seals to fail.

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