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  1. R

    Tubing, vents???

    Nothing to do with RPM of the motor.----The bore of the hoses is just too small to allow significant airflow !!-----If you have engine running issues then post compression values here.
  2. R

    Evinrude 9.5 1971 3 blade prop to 2 blade what’s the difference??

    The 9.5 HP might rev too high with the lower pitch of the 6 HP prop.----You might damage the motor and go slower !!!
  3. R

    Evinrude 35 parts to 30 conversion

    The 1980 model might be crankshaft rated while your 30 HP might be propshaft rated.---Research required
  4. R

    Temperature switch circuit 2000 Johnson 150hp

    Pulse limiter is a ----Flow fuse----For the VRO-----Prevents damage from too much airflow or pressure spike to the pump.
  5. R

    Should water be ejecting?

    You should replace impeller if you do not know how old it is !!!
  6. R

    The newest outboard from Mercury

    The people who own these things are in a different snack bracket.------No need to worry about a few coins for these motors.-------If one fails just add / replace it and move on.-----Perhaps adapted what they already had from their stern drive design----ZUES----drive comes to mind.
  7. R

    1999 Evinrude (90 hp) E90FPLEEC - Runs fine at idle speed. But stalls when running about 3000 rpm

    The----f----makes it a fuel injected motor.-------Fuel goes into the combustion chamber ( like a 4 stroke ) and the crank and bearings would not get oil !!!!
  8. R

    Building a 50's OMC powerhead, to hone or not to hone?

    Hone the cylinders.-----Check ring gap.------If around 0.010" / 0.012" the assemble.-----Forget about any lapping of the rings !
  9. R

    1999 Evinrude (90 hp) E90FPLEEC - Runs fine at idle speed. But stalls when running about 3000 rpm

    The motor can not be made to run on 50:1 mix !!!----Need to accept that fact.
  10. R

    understanding idle on 1971 Johnson 50 hp

    On that motor the throttle plates must be closed at idle.-----Repeat CLOSED.-----Idle speed is controlled by the timing.----Need to accept the facts.
  11. R

    78 Evinrude 9.9

    In 93 they went to bigger displacement.
  12. R

    p/n interchange for the 5.5 hp skeg

    The skeg and upper housing are one piece.----Machined as an assembly
  13. R

    In over my head. Mercury stuck in forward??

    All I can say from here is that something is wrong.-----Revisit your work.-----Should be simple to figure out.
  14. R

    Sierra 3-Pole ignition switch -Help

    Do you have 2 terminals with " M " on them?-----Black / yellow stripe is part of the stop circuit.------So get the correct wiring diagram.-----Mistakes ( smoke ) will be expensive.
  15. R

    In over my head. Mercury stuck in forward??

    Now the details come out as to what you did.------Is the shift pin in place in front of propshaft ??-
  16. R

    In over my head. Mercury stuck in forward??

    Put control in neutral.-----Put lower unit in neutral.-----Assemble.
  17. R

    Tubing, vents???

    Likely not much help to you today , but a factory manual has the hose routing diagram.----Sorry , I am not good at posting those pictures myself.
  18. R

    What part is missing???

    The motor is 65 + years old.-----I would think they used varnish / laquer when they made coils in those days.----Pull the flywheel and inspect.
  19. R

    Long distance commuters

    Even here around a small town the driving behaviour is getting worse.-----Speeding is a common place thing.-----60 kph here on my road.-----And I think an SUV went by at near 100 kph the other day.------Seems many folks just are not law abiding citizens any more.-----Then there is that fellow in...
  20. R

    Epoxy type to use in water jacket

    Can you tighten a bolt ( 1-4-20 ) in that hole now , yes or no ?----If you could tighten a bolt ( 80 inch lbs ) in that hole now I would not worry one bit about water circulation !-----Just fill it with JB weld and be done with it.-----
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