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  1. M

    1986 90hp Merc wont start

    Hello everyone<br /><br />I have no spark on any cyl. <br /><br />I have a fairly new stator.<br /><br />Brand new starter (spins real fast) <br /><br />Fairly new battery<br /><br />I have another merc that I swapped the coils (I am certain they work good)<br /><br />I also swapped stators...
  2. M

    1986 90hp Merc wont start

    Hello everyone<br /><br />I have no spark on any cyl. <br /><br />I have a fairly new stator.<br /><br />Brand new starter (spins real fast) <br /><br />Fairly new battery<br /><br />I have another merc that I swapped the coils (I am certain they work good)<br /><br />I also swapped stators...
  3. M

    Charging Systems

    Hi, I have no charge on my 1986 90hp Mercury. <br /><br />Is anyone willing to help me trouble shoot?<br /><br />I have an earlier topic that describes this problem in detail, however, we can start from scratch.<br /><br />I have a new battery, starting, not deep cycle. It is 1000 CCA. <br...
  4. M

    Outboard = Generator???

    I just have a question about a theory I had. I know little to nothing about charging systems. I did however learn in the recent past that my outboard motor produces ac power and then is converted into dc power. <br /><br />My question is, is the ac power a useable power source for...
  5. M

    1971 Evinrude 50hp and 85hp lower units

    I was wondering if anyone knows if a 1971 85hp lower unit could be used on a 50hp, same year? Thanks in advance for any help.
  6. M

    Rate Member?

    I havent been in this forum for a while, did they get rid of the member rating?
  7. M

    Please help w year of 85hp Evinrude

    I am wondering if someone could help me idenify the year of my 85hp Evinrude. I found some numbers on the side of the cylinders: "310532" then "2D" under that set of numbers. It is electric shift. Hood says Electric ignition and 85 on front, and Starflite on back. It is a V-4. Color is...
  8. M

    need a 225hp

    A friend of mine is looking for an offshore motor 225 or bigger. With all the fuel injected and computers on these motors, I was wondering if anyone could suggest a reliable strong brand, or ones to stay away from? He had a 225 merc offshore, and for some reason it lost a cyl. (only like 4yrs...
  9. M

    115 carbs on a 90 motor=more hp?

    I have been stripping parts from a 115 merc to put on a 90 merc, so far most of the parts are the same. Would I get more hp or drown out the motor with these 115 carbs. I know for a fact that these carbs work fine, as the 115 motor was running when I started stripping it about a month ago...
  10. M

    Anyone know anything about outboard charging systems?

    I have a problem with a with a merc 90, 1985. I am willing to troubleshoot to save coin, if you have the time.
  11. M

    Mystery Merc

    I have a 1985 90hp merc. I have serious problems starting, but after I get it started, it starts and runs good all day. I flush the motor and put it up, two or three days later, it doesnt want to start again. During the time it will not start, it has no spark. One day I decided to inspect...
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