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  1. 6

    Spark Plug suggestions!

    I have 1969 85hp Evinrude, Model85993E. The original manual says champion L-19V. I'm looking for suggestions for something other then Champion. Something that others have had good luck with. I'm in Wi. with elevation of about 1000ft Above SL. This engine is just going to be used for running...
  2. 6

    1969--85hp Starflite, model 85993E possible carb swap?

    Did Evinrude ever sell a kit to redo the thermostats? Or is it done piece meal with just the individual parts? 1969 85hp 85993E
  3. 6

    1969--85hp Starflite, model 85993E possible carb swap?

    Well i got the 1977 set of carbs cleaned and installed! i had a chance to run the boat for about 30min today. It has never run this good. top end was good, mid range and idle perfect. I put NGK br7hs gapped at .030 in it. I think i need to quit fiddling with and just try to enjoy it before the...
  4. 6

    1969--85hp Starflite, model 85993E possible carb swap?

    Thanks! I always used ngk in other 2 stroke engines. I just wasn't sure about my older evinrude.
  5. 6

    1969--85hp Starflite, model 85993E possible carb swap?

    Would you stick with champion plugs or ngk?
  6. 6

    1969--85hp Starflite, model 85993E possible carb swap?

    Compressions are 120-120-115-118
  7. 6

    1969--85hp Starflite, model 85993E possible carb swap?

    The high temp light has never come on, but it hasn't been run long enough on the lake without one problem or another to really know. I plan on just using it for cruising around my lake. mostly mid range or idling during no wake periods
  8. 6

    1969--85hp Starflite, model 85993E possible carb swap?

    Any thoughts on whats the best spark plug for this engine?
  9. 6

    1969--85hp Starflite, model 85993E possible carb swap?

    Mid range and idle are rough, WOT is very good though. I previously had a sticky timer base due me misrouting one of the points wires. And i put in new L20V spark plugs. The original manual says L19V plugs. I will recheck compressions today.
  10. 6

    1969--85hp Starflite, model 85993E possible carb swap?

    Elevation here in wisconsin is under 1000ft
  11. 6

    1969--85hp Starflite, model 85993E possible carb swap?

    Are the carbs for the newer mid 70's 85hp that don't have idle/slow speed mixture screws interchangeable with earlier models? Where the carbs with fixed mixture less troublesome? Whats the correct/recommended spark plugs for the 1969 85hp?
  12. 6

    1969 85hp Evinrude charging system/ Over charging!

    it not shown in my 1969 manual, the part is off a 1970 85hp but also not shown in the 1970 wiring diagrams
  13. 6

    1969 85hp Evinrude charging system/ Over charging!

    Does that clipper regulate the voltage?
  14. 6

    1969 85hp Evinrude charging system/ Over charging!

    Thanks! I was hoping that was the p/n 173640 voltage regulator. Any problem with installing the 173640 regulator or the CDI 193-3408 regulator?
  15. 6

    1969 85hp Evinrude charging system/ Over charging!

    The rectifier was replaced recently with a nos part because of crumbling insulation on the original. I have a new group 27 battery in the boat. I have not done a resistance test on the stator yet. I added the volt meter this year because i was concerned about not knowing the charge state of the...
  16. 6

    1969 85hp Evinrude charging system/ Over charging!

    I am well aware of what high voltages due to electronics, thats one reason for my astonishment of why they were designed without out a voltage regulator. I have read other threads on this site and others about a voltage regulator marketed by BRP in the past. I attached a picture that i believe...
  17. 6

    1969 85hp Evinrude charging system/ Over charging!

    Thanks for the suggestions and i will double check my connections. the only load on the system is recharging the battery and a volt meter, unless i turn on the nav. lights.
  18. 6

    1969 85hp Evinrude charging system/ Over charging!

    I think the regulator on my 1970 parts is the p/n 173640 regulator that was released to add a regulator to these engines.
  19. 6

    1969 85hp Evinrude charging system/ Over charging!

    Why in the heck would Evinrude design it like that? Especially when they must of know a high voltage like that isn't good for the CDI box. I have parts from a 1970 85hp, model 85093D and that has a voltage regulator on it
  20. 6

    1969 85hp Evinrude charging system/ Over charging!

    !969 85hp Starflite/ model 85993. I was out briefly on the water and volt meter indicted 13.5 to 14volts but the jumped to 16.5+volts. Idled back to the pier and out of the water. I had previously replaced the rectifier with a nos part due to the wire insulation falling off. What actually...
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