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    1990 Johnson 90 hp rpms

    I just got this motor. It seems to run great. Starts first try, idles smoothly, shifts smoothly with no hesitation, takes off great and runs good. It will push my 1973 trihull about 35 by the speedo (gps is down, so i don't have gps speed). I just installed a Faria tachometer. It also seems to...
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    1990 Johnson 90 hp won't stay at wot

    Recently checked out by mechanic before this problem started. At that time it had good compression between 120 and 128 on all cylinders. Good strong spark. When I went out yesterday, there was water coming from tell tale and exhaust ports. The engine would start perfectly every time, but when...
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    79 Johnson 115 hp restart problem.

    This motor starts and runs great. It idles well in the water and in gear. The problem is after you stop for a bit it doesn't want to restart. It cranks over good and fast, but it won't start. The carbs have been cleaned. It almost seems like it is flooded.
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    Which remote control 50elptefi 2003

    I need a remote control box for a 2003 Merc 50 HP EFI 4 stroke. I am having difficulty finding which model remote fits.
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    Quicksilver controller

    My throttle only button quit working, so I took it apart. The problems seems to be the shift gear is not staying together. The snap ring goes on and fits in groove, but does not hold the two shift gear pieces together. So it develops a gap that the ball and spring combination that activates the...
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    1978 Evinrude 115 Compression numbers = rebuild?

    The numbers are 110, 108, 105, 90. Seems to run ok for now.
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    hard to start 1984 merc 50 hp

    My 50 hp 3 cyl runs great once it gets started, but starting it is really hard.The bulb pumps up hard, the enricher clicks, but it does not get enough fuel. I spray my fuel mix into it with a spraygun, and it fires right up. It usually idles fine, but every once in a while it will die at idle. I...
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    2 motors on 16 foot boat?

    Could I put two 50 hp mercury outboards on my 16 ft arrowglass tri hull? How would steering hook up? Would I have two sets of controls? The reason I ask is that I happen to have two motors. One 50 is not enough to really move the boat.
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    1986 merc 50 hp motor mounting assembly

    Can I change out the motor mounting assembly on a 1986 merc 50 hp? How do i separate the motor from the mount?
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    Changing brackets on 1986 50 hp Mercury

    I have a 1984 70 hp Mercury that has the tilt and trim bracket. I recently purchased a 1986 50 hp that doesn't. Can I switch them out?
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    1973 rude 115 pooping fuses

    I have a 1973 rude 115. Just recently it popped a 25 amp fuse going to the remote control box. I replaced it, and it started and ran about ten minutes, then died. The fuse was popped again. Now as soon as I put a fuse in, it gets popped, even with the ignition switch in the off position. Any ideas?
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    Compression differences too bad?

    I have a 1973 Evinrude 115 hp. using JB's method (warming up, pulling all plugs, etc) I get 128 135 120 and 90. Is that too bad to keep using? The reason I tested it at all is because when I was on the water the other day, at WOT, the motor sounded like it slowed a bit and then it died. I...
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    Thanks to all the knowledge

    Thanks to all the knowledge I have picked up on this great site, I have rebuilt a 1973 Evinrude 115 motor and the 1973 Arrowglass Cheetah it hangs on. I have replaced the stator and power pack, checked the rectifier and charging coils, replaced the water impellar (of course!). I completely tore...
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