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  1. R

    Evinrude 90HP Ocean Pro

    Use 21 1/4" on that motor.
  2. R

    2000 Johnson 90hp Carbs

    Warped float bowls ?----Why do you think the rough idle is a carburetor issue ?-----What other trouble shooting was done ?
  3. R

    Gas hose size 4 hp 1972 Evinrude

    It is 5/32" hose that is needed !
  4. R

    Horrible customer service

    The impatient / demanding folks these days.----Your local boat shop ( if you still have one ) might help you and even have the parts in stock.
  5. R

    40th Annivesary

    What are the cylinder compression numbers ?----The flywheel appears to be what was used on many 2 hp models from about 1970 to the 1990's
  6. R

    40th Annivesary

    Those coils are no good.----You think you have spark but I say no.-----You have some / weak spark.----Use a test device and see if spark will jump a gap of 1/4" ( 6 mm ) or more.-----With gas in the cylinders ( pots ) it should bark / roar like a dog or a wild lion !!
  7. R

    Carburetor leaking

    The 1986 carburetors do not show a low speed mixture needle.----Nor the red piece to lock the low speed needle.-----So we do not know what you have or what you are doing.
  8. R

    40th Annivesary

    It has the cracked ignition coils.----That is something that happens to each and every one of these OMC motors.----New ones are available everywhere.------It has a lower unit that was used on 2 HP models.-----That carburetor is one I have never seen before.
  9. R

    40th Annivesary

    The color indicates a 1972 model.-----1982 was white as far as i know.-----But it looks like a mix of 2 HP and 4 HP parts for your market.----Carburetor does not look like a Johnson carburetor either.----Flywheel is totally different from a local ( on the shelf ) 4 HP flywheel.------Post a few...
  10. R

    40th Annivesary

    With Belgium models there sometimes are strange things happening.-----The American models do not have a fuel tank like that.
  11. R

    Maximum timing advance

    The pick up timing is a most confusing thing.-----It is the point where throttle plates open.-----Where the timing is on a smooth running motor at idle does not matter !
  12. R

    40th Annivesary

    The Johnson brothers started in 1922.------So only the 1972 model year is 50th anniversary.------In 1972 motors were green.------Any pictures ?----And your math is somewhat puzzling.-----I heard 1922 to 1982 would be 60 years.------Perhaps the 72 plate was put on another motor ?
  13. R

    Maximum timing advance

    V-4 is at 28 degrees BTDC
  14. R

    1975 Mercury 650 blue band - Abandoned, but brought back home

    See post #10.-----Now remove bypass cover to look at the piston / rings on top cylinder.----Not sounding good here.
  15. R

    Maximum timing advance

    Factory manuals are usually very good.----Perhaps listed elsewhere.
  16. R

    Maximum timing advance

    Be the same as the 83 and 85 models.
  17. R

    Gas hose size 4 hp 1972 Evinrude

    Hose with 5/32 ID would be more to my liking.
  18. R

    1979 Mercury 80 worth it?

    Decals were used in 81 / 82 / 83 model years.----A very good motor if you are willing to learn how to fix it yourself.
  19. R

    Need help with tachometer

    That be the plug for a tachometer.----I have always said that electrical stuff / wires is confusing.
  20. R

    40th Annivesary

    So was your motor a 50th anniversary and a 72 model ?
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