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Jan 23rd, 2013
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60 Yamaha with dark oil coming from lower unit. #12850007
08/01/18 11:06 PM
08/01/18 11:06 PM
Joined: Nov 2014
Posts: 231
Granbury, Tx.
T
Thunk Offline OP
Outdoorsman
Thunk  Offline OP
Outdoorsman
T

Joined: Nov 2014
Posts: 231
Granbury, Tx.
I have a Yamaha precision blend motor that I took to the coast and had no problems with. Put the ears on and washed it out as I always do and let everything dry out only to come back and see the tip of the lower unit dripping dark oil. Not my blue oil but dark. Anyone have any experience with this before I take it to a 100 dollar an hour mechanic?

Re: 60 Yamaha with dark oil coming from lower unit. [Re: Thunk] #12850307
08/02/18 03:02 AM
08/02/18 03:02 AM
Joined: Feb 2006
Posts: 349
Texas
Alumacraft 14 Offline
Angler
Alumacraft 14  Offline
Angler

Joined: Feb 2006
Posts: 349
Texas
Unburnt 2 stroke oil being discharged from the exhuast is my guess. Check thy plugs for carbon build up to confirm.

Re: 60 Yamaha with dark oil coming from lower unit. [Re: Thunk] #12850362
08/02/18 03:49 AM
08/02/18 03:49 AM
Joined: Sep 2009
Posts: 2,977
Brownsboro, Tx
D
Dawson Hefner Offline
Extreme Angler
Dawson Hefner  Offline
Extreme Angler
D

Joined: Sep 2009
Posts: 2,977
Brownsboro, Tx
Smell of it. Gasolinish smell? Unburned 2 stroke. Stinks? Gear oil, go to the mechanic.


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Re: 60 Yamaha with dark oil coming from lower unit. [Re: Thunk] #12850376
08/02/18 04:43 AM
08/02/18 04:43 AM
Joined: Nov 2014
Posts: 231
Granbury, Tx.
T
Thunk Offline OP
Outdoorsman
Thunk  Offline OP
Outdoorsman
T

Joined: Nov 2014
Posts: 231
Granbury, Tx.
Many thanks. No doesn't stink has a fresh smell.

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