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Outboard Lower Unit Fluid
https://www.mudmotortalk.com/mmt_v2/viewtopic.php?f=41&t=53094
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Author:  flatontheplatte [ Fri May 09, 2014 11:18 am ]
Post subject:  Outboard Lower Unit Fluid

Not a mud motor but I figure you guys will know. Recently bought a 2000 135hp optimax. What is the best lower unit fluid to run? Thanks for the help.

Author:  baron von [ Fri May 09, 2014 12:25 pm ]
Post subject:  Re: Outboard Lower Unit Fluid

better check what the manufacture recommends - I run the amsoil in all my outboard L/Us

Author:  Goose Crumpler [ Fri May 09, 2014 12:42 pm ]
Post subject:  Re: Outboard Lower Unit Fluid

Any 80-90 gear oil will work. That's what I have been running in mine since first change in 1990.

Author:  flatontheplatte [ Sat May 10, 2014 12:03 am ]
Post subject:  Re: Outboard Lower Unit Fluid


Author:  cupped up [ Sat May 10, 2014 10:08 am ]
Post subject:  Re: Outboard Lower Unit Fluid

Amsoil lower unit oil. Best shit made. Slicker n greased owl shit.

Author:  msm8281 [ Sat May 10, 2014 10:52 am ]
Post subject:  Re: Outboard Lower Unit Fluid

It's just gear oil. Go to Wal-Mart and get some rotella 80-90 gear oil.

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Author:  jldsc [ Sat May 10, 2014 10:55 am ]
Post subject:  Re: Outboard Lower Unit Fluid

go to walmart in the marine section..they have quicksilver gear oil with the pump made for lower units....i have few laying around my shop...i find that works the best...


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Author:  BayouBuster [ Sat May 10, 2014 9:58 pm ]
Post subject:  Re: Outboard Lower Unit Fluid

Be sure to pump it in from the bottom.

Author:  msm8281 [ Sun May 11, 2014 7:11 am ]
Post subject:  Re: Outboard Lower Unit Fluid

That rotella is probably just as good or better and cheaper. And pump from the bottom till it cones out the top. Like BB said.

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Author:  cupped up [ Sun May 11, 2014 8:11 am ]
Post subject:  Re: Outboard Lower Unit Fluid


Author:  msm8281 [ Sun May 11, 2014 8:15 am ]
Post subject:  Re: Outboard Lower Unit Fluid

I figured you would know!! Lol

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Author:  msm8281 [ Sun May 11, 2014 8:15 am ]
Post subject:  Re: Outboard Lower Unit Fluid

What you run in the rear end in your truck?

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Author:  cupped up [ Sun May 11, 2014 3:27 pm ]
Post subject:  Re: Outboard Lower Unit Fluid

Canola oil!

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