1989 Mariner 200hp lower unit ???

adm1476

Petty Officer 1st Class
Joined
Mar 15, 2011
Messages
237
I am getting ready to change the oil in my lower unit for the first time. New motor to me. Does it use 80w90 gear oil???
 

racerone

Supreme Mariner
Joined
Dec 28, 2013
Messages
36,048
Re: 1989 Mariner 200hp lower unit ???

Run to the dealer and get the right stuff.---Gears / bearings / shafts are just too expensive to skimp here.-------Fill gearcase from the bottom till oil comes out the vent screw up top.
 
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