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1961 Evinrude 75HP StarFlite Power Trim Unit - Hydraulics electical

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  • 1961 Evinrude 75HP StarFlite Power Trim Unit - Hydraulics electical

    I have a 1961 75HP Starflite that I am just getting into (again. its been 10 years) It will be put back on a 1960 Cutter Jet DeVille once the painter gets done with the top side.

    After researching part numbers and cross referencing some things I purchased a power trim unit off a 1966 80hp. It came with the brackets, cylinder and pump. It appears that everything will swap over to my 61. I haven't played with the power trim unit yet but I am looking for electrical and hydraulic schematics for these. I have found everything else for the engine but the power trim unit has proven to be elusive adversary so far. My questions

    -Is there a reservoir for the hydraulic fluid?
    -what is the hydraulic fluid required?
    -I could use a wiring diagram for the pump. I was left with about 1/4" of wire coming out of the motor.
    - are the motors rebuildable, replaceable?

    I am sure there are more questions but I figured Id start here with all of the experts. I found a stripped spark plug hole so maybe this old guy will be faster than I remember on the little 14' fiberglass DeVille.

    Thanks
    Andy

  • #2
    Re: 1961 Evinrude 75HP StarFlite Power Trim Unit - Hydraulics electical

    I don't have access to the diagrams you're looking for, but I can tell you that they didn't make a power trim unit during that era. They only made a power TILT unit. It is for use to tilt motor while not underway. It will not raise the motor while you're underway at anything more than a low idle.
    [IMG2=JSON]{"data-align":"none","data-size":"full","src":"https:\/\/forums.iboats.com\/filedata\/fetch?id=9974593&d=1435747884&type=full"**[/IMG2]

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    • #3
      Re: 1961 Evinrude 75HP StarFlite Power Trim Unit - Hydraulics electical

      First of all it is not a power trim unit !-------It is a power tilt only.-------Used on the trailer or low speeds for getting on a beach.------Oil reservour is built in below the motor.----# 30 oil will work or ATF will also work.

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      • #4
        Re: 1961 Evinrude 75HP StarFlite Power Trim Unit - Hydraulics electical

        If you use ATF get some Dextron II. That's the best to use.

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        • #5
          Re: 1961 Evinrude 75HP StarFlite Power Trim Unit - Hydraulics electical

          Post some pics if you can.
          1963 75hp Starflite V
          Selectric Shift with 5" Extension
          Model #75383E

          Comment


          • #6
            Re: 1961 Evinrude 75HP StarFlite Power Trim Unit - Hydraulics electical

            You have a power tilt only unit. It is used for lifting and lowering the engine only. It will not hold a tilted position against power being applied to the propeller. The schematic is a simply one as follows.

            Our Questions Require Answers... If You Refuse To Answer Our Questions... How Can We Answer Yours?

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            • #7
              Re: 1961 Evinrude 75HP StarFlite Power Trim Unit - Hydraulics electical

              Do the early " tilt only " units use a solemoid ??

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              • #8
                Re: 1961 Evinrude 75HP StarFlite Power Trim Unit - Hydraulics electical

                Thank you for all the responses. The power tilt is all I am really looking for anyway so I think this will work out nicely. I appreciate the electrical schematic.
                Does anyone know if the motor is available/rebuildable? I think the newer ones are but I havent found a whole lot of info on it.
                Also I am looking for some info on the hydraulic circuits. There is a line coming out that doesnt go to anything. I am thinking its for a reservoir but it was stated thats in the bottom of the motor.

                Click image for larger version

Name:	Evinrude Power Tilt Capture.JPG
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                Here is the link to the ebay auction.
                1966 Johnson Evinrude Seahorse 80 HP Power Trim Unit Pump Bracket Piston 12V | eBay

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                • #9
                  Re: 1961 Evinrude 75HP StarFlite Power Trim Unit - Hydraulics electical

                  It is not for a reservoir !----The reservoir is inbetween the motor and the pump !----The mystery hose likely goes to a fitting on the tilt cylinder.-------Or it may go to a wee tilt lock release cylinder.---------The wee tilt lock cylinder is often not used or discarded.----More pictures of the pump and the cylinder would make it clear.
                  Last edited by racerone; April 16th, 2014, 05:18 AM.

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                  • #10
                    Re: 1961 Evinrude 75HP StarFlite Power Trim Unit - Hydraulics electical

                    Originally posted by racerone View Post
                    Do the early " tilt only " units use a solemoid ??
                    As memory serves me, no, BUT it is a much safer route to follow.
                    Our Questions Require Answers... If You Refuse To Answer Our Questions... How Can We Answer Yours?

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                    • #11
                      Re: 1961 Evinrude 75HP StarFlite Power Trim Unit - Hydraulics electical

                      I have one of these kits, NIB, on my workshop shelf. Is anybody interested in seeing the original documentation supplied by OMC?
                      Old geezer who never worked a day as a professional in the marine industry but has been fooling with outboard motors for 60+ years!

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                      • #12
                        Re: 1961 Evinrude 75HP StarFlite Power Trim Unit - Hydraulics electical

                        Originally posted by Willyclay View Post
                        I have one of these kits, NIB, on my workshop shelf. Is anybody interested in seeing the original documentation supplied by OMC?
                        Wow! Yes please if its not too much trouble. Thanks

                        Comment


                        • #13
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                          Re: 1961 Evinrude 75HP StarFlite Power Trim Unit - Hydraulics electical

                          Just sent you a Private Message with my email address to avoid spammers in the open forum. Will send you the OMC info as an attachment once I receive your email address.
                          Old geezer who never worked a day as a professional in the marine industry but has been fooling with outboard motors for 60+ years!

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