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  1. S

    One cylinder, slipped prop, clutch dog

    My guess, bad connection or one coil shutting down.
  2. S

    Need help with strobe timing on 1972 9.5 HP Johnson 9R72M

    Try it on a boat.....motor needs to be adjusted on the water. Smoke will clear up most likely.
  3. S

    Johnson engine family

    This is the web site I use. Type in model number or go by year. Race is right though....so not sure on the big research thing. Best of luck. https://www.marineengine.com/parts/parts.php
  4. S

    Johnson engine family

    I'm with race on this one... P is for power trim and tilt, look lower on your chart....as far as engine family is concerned, I've never heard of anyone looking that up for information related to what they need. Part number cross reference is what most do for engine compatibility.
  5. S

    115 v4 2 stroke runs rough when warmed up

    I agree, compression numbers and have you tested your overheat sensors and horn?
  6. S

    Wont Start. Johnson 1979 25hp

    Probably a weak starter. Easiest way I know is to jump it straight at the starter with some jumper cables. Last hookup is a ground on the motor not the battery. Otherwise there is a meter diagnosis. Could be a bad solenoid, wire, etc.
  7. S

    1989 evinrude 120hp

    The sensors are located on each head. Tan wire coming off the sensor. Test by grounding out the tan wire. The horn (warning horn) might be no good either. Check in your control box or dash.
  8. S

    1985 Johnson 120hp poor idle/starting

    Spark jump test is good or not. Sounds to me it could be ignition coils or power pack. Mostly sounds electrical but you never quite know.
  9. S

    89' johnson 90 not charging

    And are you checking at the battery?....does your meter check out?
  10. S

    89' johnson 90 not charging

    Ok, have you tested it?
  11. S

    1985 Johnson 120hp poor idle/starting

    Spark jump test? Or switch coils and see if it follows. At the very least do a cylinder drop test and see if it keeps running.
  12. S

    89' johnson 90 not charging

    Did you ohm test the rectifier? You can't run the motor without a battery and other wires not hooked up....it ruins the rectifier.
  13. S

    Add a kill switch, Johnson 50hp, 1996.

    All you have to do is ground it but you have to get to the key switch to do it. In the key switch, the black yellow wire is a ground coming up from the motor...the black wire is going ground. The man overboard tether is a simple switch.....on/off. Buy an online tether switch and wire it in...
  14. S

    12hp buccaneer

    Well in the marine industry, sometimes free is to much.
  15. S

    3.3 HP Johnson.

    I thought they were Suzuki's....
  16. S

    1992 E'rude 8 hp. link and synch .... deciphering the manual

    Yes, that is the first year model. Bought it brand new in 1991 and put about 50 million miles on it on a 86lb Sears Gamefisher......12 footer. It's been a great motor. Run it dry gas wise at the end of every season, salt water use but rinsed in a barrel after every use and wd 40 bath before I...
  17. S

    J15RSSM no idle

    Changing parts for the heck of it isn't always advised. Make sure you mount them correctly.
  18. S

    1985 Evinrude 15 HP trouble starting

    He was referring to the orange wires going to the coil. Orange green lower.....orange blue going to top. If one is wet one dry most likely coil or power pack. Switch coil and see if the problem follows. It should have started on one though. Could be carb or fuel related
  19. S

    3.3 HP Johnson.

    It's the Bic lighter of outboards....getting the cowling off is enough for me.
  20. S

    1967 Evinrude 6 HP (6702) - Newbie

    "old geezer" everything is the norm here!
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