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Old 05-05-2010, 09:44 AM
Jorski Jorski is offline
MC Devotee
 
Join Date: Jul 2004
Boat: 1993 190 with LT1
Location: Toronto, Canada
Posts: 1,182
That sure looks like motor oil. There was period of time where 15w-40 was recommended.

I think ATF fluid makes more sense but either will do...check the manual. FWIW, I have a 1993 1:1 velvet drive with ATF in it and it works great.
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