1984 merc 90 needs power tilt

H

hondaracer21

Recruit
Joined
Jul 4, 2008
Messages
4
i recently purchased a boat with a 1984 mercury 90. this motor has no power tilt or trim, and its heavy! this 90 has 6 cylinders. its huge. anyways, its really hard to get the motor up and down. i have been looking on ebay for a power tilt/trim set up that would fit this motor. i just need some suggestions on what fits this motor. heres some examples of what im looking at:

http://cgi.ebay.com/ebaymotors/KIEK...012QQitemZ220253590882QQrdZ1QQsspagenameZWDVW

http://cgi.ebay.com/ebaymotors/Merc...006QQitemZ160256165984QQrdZ1QQsspagenameZWDVW

http://cgi.ebay.com/ebaymotors/Merc...006QQitemZ160256165984QQrdZ1QQsspagenameZWDVW


what years are the same as this motor when it comes to power tilt and trim? which of these examples fits? -thanks!
 
jimmbo

jimmbo

Supreme Mariner
Joined
May 24, 2004
Messages
14,375
Re: 1984 merc 90 needs power tilt

none of the pictured units will work on an 1984 inline 6 engine. Your engine, if it is a 1984 model was the first year that mercury offered an integral within the stern brackets. Prior to 1884 the trim system used an entirely different design with an inside pump
 
H

hondaracer21

Recruit
Joined
Jul 4, 2008
Messages
4
Re: 1984 merc 90 needs power tilt

what do you mean by an integral within the stern brackets? the pump was in between the stern brackets? could you point me in the direction towards a set up that would fit? -thanks again for the help.
 
H

hondaracer21

Recruit
Joined
Jul 4, 2008
Messages
4
Re: 1984 merc 90 needs power tilt

i found a few more power tilt set ups on ebay and i was just curios if these would fit:

http://cgi.ebay.com/ebaymotors/MERC...011QQitemZ320271748666QQrdZ1QQsspagenameZWDVW

http://cgi.ebay.com/ebaymotors/Merc...010QQitemZ200237153361QQrdZ1QQsspagenameZWDVW

http://cgi.ebay.com/ebaymotors/MERC...008QQitemZ180262554964QQrdZ1QQsspagenameZWDVW

the first one really looks like it would fit. if i am correct, the power tilt/trim was changed in 1984? so i would have to get a set up that is newer than 1984, yet still can be used with the in-line 6 cyl? all input is appreciated.
 
jimmbo

jimmbo

Supreme Mariner
Joined
May 24, 2004
Messages
14,375
Re: 1984 merc 90 needs power tilt

The first and third units look like they will work. 1984 was the first use of this kind of unit on the inlines, 85 was the year this unit was put on the V6s
 
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