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Having trouble raising/tilting a 9.9hp Merc Outboard - Help!

I am trying to raise the motor out of the water and the tilt button on my NEW 2009 9.9 Hp Mercury Outboard is stuck. There are two postions.... Lock Tilt and Unlock. When I move the button to the Unlock position the motor still won't tilt. The motor is brand new... what am I doing wrong? Thanks

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  • pnesbitt711 Jun 25, 2009

    Thank you for your reply. Are you sure that for a 9.9hp (Mercury Outboard) there would be a hydraulic system at all? The motor never ran in the water....we backed it in on the trailer in the down position and before putting it in the water wanted to make sure the motor would tilt upwards so that when we came up to the beach the propeller would not hit bottom. Can you tell me where I go to drain the hydraulic system you are referring to?



    Thanks again.

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Sometimes there is a lock lever just under the motor housing.youmay need to flip or pull and hold this lever while raising the motor by hand.hope this helps

Posted on Jun 25, 2009

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When having a trouble in raising / tilting either up or down once it reaches it's limit there is a hydraulic pressure relief valve that opens and lets the fluid bypass. I would be willing to bet that it ran so long with so much pressure it is stuck open. One thing you might want to try is to release all pressure in the system with the manual relief valve. Use a slotted large screwdriver and turn it out about two turns. Operate the trim up and down a few times (it won't move but will pump fluid). This is the manual relief valve and will allow the engine to go down, you may have to push a bit. Close the valve and see if the unit works now. If not the unit will have to come apart.
Remove the entire unit from the boat to work on it. Have a large metal pan to catch the fluid and hold a rag over any port you open. Please wear safety glasses. The units can hold a lot of pressure. Only work on one valve or port at a time and keep track of each check valve. Some of them under the motor are very small and easily lost. most parts are not individually available.


Good luck...

Regards:
VOTIT

Posted on Jun 25, 2009

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