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  1. R

    Coils

    Do a compression test first.---Post the numbers.-----Does spark jump a gap of 3/8" ( 1 cm ) or more on the 3 leads ?----How did the motor run for you last season ?----What happened ?
  2. R

    Water Pump Housing Not Machined... This is hard to believe.

    The part appears to have an ----" aftermarket look "---- to me.-----So no surprise at all.
  3. R

    water in cowling 7.5 seahorse

    There is a passage way in the cylinder head.----The welch plug has fallen out.----You may be able to remove rear cowling to replace it.----Or pull cylinder head and install new head gasket after the repair.----Your choice.
  4. R

    1999 Evinrude 90 V4

    The electric primer is a valve.----It opens when you push the key in.----During cranking the fuel pump will push fuel through the valve.---This fuel goes directly into the motor for near instant starting.----That fuel bypasses the metering circuits in the 2 carburetors !
  5. R

    Does Johnson sail have different gear ratio?

    The 9" pitch prop should work.
  6. R

    1999 Evinrude 90 V4

    So it is a crossflow 1998 model.----Knowing what motor certainly helps.----Are you raising fast idle lever and pushing the key in for cold starting ?-----Make sure the oil injection system is working before running straight gas into your fuel tank.----Perhaps run with 50:1 mixed in the...
  7. R

    Evinrude 35HP Outboard

    Likely it is running on one cylinder.-----Some trouble shooting is required to find why there is no power under load.----Running it a full throttle out of the water proves nothing and may indeed damage the motor as already stated !!
  8. R

    Evinrude88spl

    Is the red lever on the electric primer valve inline with the valve body ?-----Are you pushing the key in WHILE cranking it over for cold starting ?
  9. R

    1999 Evinrude 90 V4

    Fact-----You need to post a model # as I do not believe there is a 1999 Evinrude 90 HP V-4 with carburetors !
  10. R

    Time it takes to prime cooling system?

    Less than 10 seconds to fill an empty block with raw water.
  11. R

    Lower prop pitch to get higher RPM?

    Best to find out why you now have the lower RPM.-----Possibly the boat has added weight ( water logged foam ) or the motor has lost POWER.-----Putting on a lower pitch prop will get the RPM back up.----But is not the correct approach.
  12. R

    Does Johnson sail have different gear ratio?

    Yes it is easy to change the prop.-------But hurry to your local boat shop for help on selecting a prop for your boat !
  13. R

    Evinrude 35HP Outboard

    Fact.-----It will rev up in neutral like all motors will.---Even in gear out of the water is really neutral as the prop does no work !!!-----Means nothing.----So what is the model # of your motor ?----I think it is running on 1 cylinder.-----Test compression , post the numbers.---Check spark.
  14. R

    Does Johnson sail have different gear ratio?

    No-----Same gear ratio as a regular motor.--And a " sail " motor would be for a 20" or 25" transom.-----What transom is on your boat ? -----A heavy slow boat would use a different prop.
  15. R

    1990 40hp evinrude

    You can take ohm readings on the ignition charge coils.-----Battery charging coils.-----And the sensor coils.----All found under the flywheel.-----If the powerpack is under the flywheel you may have to remove flywheel to test them.-----So what is your motor doing / not doing ?
  16. R

    System check lights off but horn on

    Maybe the horn itself is defective.
  17. R

    83 Johnson 9.9 slipping

    If it feels like you hit something it would indicate the clutch dog is worn and it is jumping out of gear !
  18. R

    Evinrude88spl

    Doubt it.-----What is your motor doing / not doing ?-----The trouble shooting starts with a compression test.----It does not start with carburetor adjustment , sorry.
  19. R

    New wiring 1987 johnson 70vro

    What is your motor doing / not doing ?-----Or should I say it is just wires and you can make your own wiring and go to a terminal strip.----No need for the red rubber plug in if you use a terminal strip.
  20. R

    83 Johnson 9.9 slipping

    Prop looks to be junk.----The very reason I asked to explain how motor behaved in post #2
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