filling trim reservoir

timmee73

Cadet
Joined
Jun 13, 2007
Messages
25
I just replaced my trim motor and am wondering how full to fill my res. also if it is just hydraulic fluid or something special. My motor is a 91 mercury outboard 115hp #OD 043345. Thanks
 

Chris1956

Supreme Mariner
Joined
Mar 25, 2004
Messages
28,542
Re: filling trim reservoir

Tim, Normally you tilt the motor all the way up, boat level, and remove the plug on the resvoir. Fill it with auto trans fluid (ATF), until some runs out the fill hole. You may need to bleed the unit, by running it up and down a couple of times. now leave it up for a few minutes to let the air bubble out and refill the resvoir. Repeat as necessary.
 
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