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how much gear oil do I put in?

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Beagleman

Regular Contributor
Good day folks. You guys are so awesome that I decided to hit you up for advice again. I got a 40 hp mariner (40 E 6E9 s 104752), 1985 2 cylinder outboard. Basically a copy of those old Yamaha fm series.

Time to change the lower unit gear oil. How much do I put it?

Thanks.

Robby
 
Remove the bottom screw, then remove the top screw. After it's done draining(it will take a while, it's thick) fill the lower unit slowly from the bottom hole until the lube starts coming out the top hole. Replace the top screw, then replace the bottom screw.

Good luck!
 
eclark53520 said:
Remove the bottom screw, then remove the top screw. After it's done draining(it will take a while, it's thick) fill the lower unit slowly from the bottom hole until the lube starts coming out the top hole. Replace the top screw, then replace the bottom screw.

Good luck!
Click to expand...

Thanks, you're a big help.

Robby
 
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