View Full Version : Replacement of hydraulic fluid on tilttrim
09-24-2006, 11:48 AM
how and where do you replace hydraulic fluid on a tilt/trim motor for a 1991 90 hp yamaha?
09-29-2006, 12:46 AM
"do u have a leak
u need to trim all the way up and u will see a cap buy the trim motor, just fill until it over flows"
10-01-2006, 07:40 AM
richie I have a 1991 yamaha 90hp my hydraulic fluid is leaking out somewhere. the trim motor sound good and run good . a friend told me I might need new seals or gaskets.should I take it to a marine shop or can I do the work myself?
10-01-2006, 12:50 PM
u can get the seals
most marine shops will not rebuild no more because it is to time consuming
u need a shop manual and u need to have a engine lift to hold the motor up while the trim is off also
10-13-2006, 08:40 AM
you mean to say I have to unbolt the outboard from the transom lift the motor up to take out the unit .dann
10-13-2006, 06:16 PM
u need to support it so u can get the trim unit off
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