Changing the Lower Unit Lube - DIY

[captain belly]

Here's a vid on how to change the lower unit lube on an outboard.  This is basically how you do it on all boat motors.

Hope this helps others like it helps me.

https://youtu.be/HHI_lUcpy-0

[fishinwrench]

Hmm, do I nitpick that, or just let it ride?    

I wouldn't hire him, I can tell ya that.

[Dutch]

That is sorta like the way I used to do it after my comes by wrench started a new job.  I think anyone with the tech can make a video.  They aren’t all the same quality.

[snagged in outlet 3]

2 hours ago, fishinwrench said:

Hmm, do I nitpick that, or just let it ride?    

I wouldn't hire him, I can tell ya that.

Let’s hear it

[fishinwrench]

1 minute ago, snagged in outlet 3 said:

Let’s hear it

No, cuz then y'all will be all like......"Oh Boy, Here goes Wrench acting like he knows EVERYTHING" 🙄    

Honestly though, you're better off just not changing your gear lube at all....then doing what that cat just did.    You really didn't notice anything wrong with that job ?    🤔

[snagged in outlet 3]

17 minutes ago, fishinwrench said:

No, cuz then y'all will be all like......"Oh Boy, Here goes Wrench acting like he knows EVERYTHING" 🙄    

Honestly though, you're better off just not changing your gear lube at all....then doing what that cat just did.    You really didn't notice anything wrong with that job ?    🤔

Nope.  But I’ve never done it or seen the manual on how to do it.  Top it off from the top vent when done??

[fishinwrench]

#1. Goof:. He removed the vent screw before the drain screw.   Doing that doesn't allow you to inspect the first thing that comes oozing out of the bottom of the gearcase.  Instead it just comes squirting out all at once and you can't tell what has settled in the bottom.  

#2 Goof:. Using that thin blue Mercury lube in an Evinrude is a no-no. It won't hurt the gears but Evinrude's have different shift shaft seals that require different lube...or else they will fail prematurely.  You can use Evinrude lube in a Merc, but not Merc lube in an Evinrude.

#3 Goof:. It's best to replace the drain screw gaskets, but if you don't at least tighten them up better than he did.  Evinrude's have the hex key drain screws for a reason...so you can put a wrench on it and crank that sucker down tight enough to compress the stiff nylon gasket and stay put.  He just snugged it up half-assed like you would the lid on a tube of toothpaste.   That ain't worth a crap!!!  

[Dutch]

9 hours ago, fishinwrench said:

#1. Goof:. He removed the vent screw before the drain screw.   Doing that doesn't allow you to inspect the first thing that comes oozing out of the bottom of the gearcase.  Instead it just comes squirting out all at once and you can't tell what has settled in the bottom.  

#2 Goof:. Using that thin blue Mercury lube in an Evinrude is a no-no. It won't hurt the gears but Evinrude's have different shift shaft seals that require different lube...or else they will fail prematurely.  You can use Evinrude lube in a Merc, but not Merc lube in an Evinrude.

#3 Goof:. It's best to replace the drain screw gaskets, but if you don't at least tighten them up better than he did.  Evinrude's have the hex key drain screws for a reason...so you can put a wrench on it and crank that sucker down tight enough to compress the stiff nylon gasket and stay put.  He just snugged it up half-assed like you would the lid on a tube of toothpaste.   That ain't worth a crap!!!  

Yep.  I totally agree.  I did notice the wrong oil but didn’t know it was a deal.  I also noticed the old washers and the screw reversal.  That is just another good reason to let those who know how to do it...do it.

[Ketchup]

12 hours ago, fishinwrench said:

 shift shaft seals 

[Ketchup]

Say that fast 10 times.