8 3/4 spitting gear oil out of breather vent

Wonder if the gears are running hot, boiling the rear end gear lube out the vent? No Backlash between Pinion and Ring Gear?

Is the rear housing hot to the touch after your joy ride?


Had an OMC out drive that was set up too tight, the lake water was steaming off of the case cause the gears were running hot and it was hot to the touch.
Took it back to the shop and loosened up the gears and it cooled right down, ran fine the whole time I owned it after that.


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