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| Oil and gear oil question https://www.smwebhead.com/phpBB3/viewtopic.php?f=11&t=4414 |
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| Author: | 07H200SS [ Wed Aug 26, 2009 3:00 pm ] |
| Post subject: | Oil and gear oil question |
I asked the question over on a Baja forum as well and not getting very good answer which is one reason I stay on this site also. So my new boat has a Merc. 7.4L with a Bravo 1 drive. Previous owner said he ran Mobil 1 in the engine but did not know what weight it was. Also would Mobil 1 75w90 gear oil be ok? They tell me to buy the special Mercury gear lube at like $16.00/qt! Which wouldn't be to bad if I could find it locally. Also they said to use 25-40 Mercury oil in the engine? |
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| Author: | BrentC5Z [ Wed Aug 26, 2009 4:53 pm ] |
| Post subject: | Re: Oil and gear oil question |
Sounds like someone got out their manual, then hit "reply". you probably won't find 25w-40 anywhere from Mobil 1. 20-50 will be fine though. As for gear oil, I actually use the marine stuff. It's only a few quarts once a year. |
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