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  1. R

    1990 Force outboard lower drive issue question

    Proper tooth contact is determined with Prussian blue / experience / time / effort.-----Very important for long gear life.
  2. R

    Engine model number

    Post some ( 5 or 6 ) of the powerhead.----The 100 HP version was marketed in 79 / 80.-----Then again from 88 to 94.----And it could be that the later midsection was put on an older motor.----Or an older lower unit put on a newer motor.-----This is what happens with numerous owners !
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    1977 Evinrude 15hp pull start

    It holds ignition components and rotates to advance the timing.
  4. R

    Black scuff marks on cylinder walls

    At one time the factory gasket was wire re-enforced.----Much more durable than the paper thin " looks the same " item.
  5. R

    Black scuff marks on cylinder walls

    Post #40 indicates to use a factory gasket?----So that was ignored ?
  6. R

    17 vs 19 vs 21 Pitch?

    I often talk to folks about generating electricity.----You can buy a generator with 5 HP.----Yet where I worked there are generators as well.-------The most common guess ( 9 of 10 ) for most was 10,000 HP.----Yet the true number is 1,000,000 HP.-----So when an electric car uses 20 HP at highway...
  7. R

    1990 Force outboard lower drive issue question

    Gears must be precisely positioned / fitted using shims.-----Failing to do so and checking with bluing could lead to a " dynamic halt " of the gearcase.
  8. R

    1990 Force outboard lower drive issue question

    Google it !----Fitting gears using prussian blue paint----Have at it.
  9. R

    1994 evinrude 140hp v4 cutting out at wot

    That is a looper as per post #2
  10. R

    79’ Evinrude 70 Bogging

    edited
  11. R

    79’ Evinrude 70 Bogging

    Fuel pump diaphragm checked?----Reed valves checked ?-----Flywheel key checked ?----Perhaps throttle plates are opening too early.
  12. R

    1994 evinrude 140hp v4 cutting out at wot

    As per post #5-----Hard to convince folks that motors are not all the same.----Need proper input from these posters.
  13. R

    1994 evinrude 140hp v4 cutting out at wot

    Still do not know what motor you have !---Crossflow V-4 never offered the S.L.O.W. feature I believe.
  14. R

    79’ Evinrude 70 Bogging

    You start with a compression test.----Post the actual values you get on this 45 year old fine ( when new ) motor.
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    1994 evinrude 140hp v4 cutting out at wot

    On many motors the water coming from the tell tale does NOT go through the engine block !----You could have internal blockage of water jackets.
  16. R

    1994 evinrude 140hp v4 cutting out at wot

    Well----1985 was the last production year for the 140 HP crossflow.----Post pictures of powerhead or post model #.-----Hard to help folks if motor details are vague I think.
  17. R

    1994 evinrude 140hp v4 cutting out at wot

    It is a looper design.-----Perhaps it is going into ---S. L. O. W.----Have you checked water pump impeller?
  18. R

    Suzuki DF225 Pinion Gear source

    I doubt you can find just the pinion.-----These are installed as MATCHED sets.
  19. R

    150 mariner

    How did you determine it has " lots of power " ?-----Year or serial # ?----Post actual compression test values.----Does spark jump a gap of 3/8" on each lead ?----Water pump serviced ?-----Oil injection in service?----Mixing gas / oil at 50:1 in the tank?.----Overheat horn tested?-----Slipping...
  20. R

    Chain worth it?

    ???----That does not work around the " great lakes "-----If you are 20 / 30 miles from a safe port on a sailboat and you have 1 hr warning !!
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