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  1. R

    Trying to find more information.

    The corrosion would indicate salt water use.----Do a compression test on it.----Post the values here.-----If that test is good put a new water pump impeller in before launching the boat.
  2. R

    1976 mercury 115 possible fuel pump issue?

    Install an ELECTRIC PRIMER valve off a 1980 to 2005 Johnson / Evinrude on this Mercury.----Hard starting is then not in your vocabulary anymore.
  3. R

    Impeller reminder for 3.9 4 5 7.5 ...Mercs

    I twist the impeller as it is pushed down.----Making sure that keyway then lines up.-----Never an issue.----Have done more that 1 of these.
  4. R

    Trying to find more information.

    Don't worry about the E on the model .
  5. R

    1991 90HP Mercury not starting

    You are funny.-----Need to look at proper parts book !
  6. R

    Vintage 4 hp Mariner

    It will need a new water pump impeller.
  7. R

    1976 mercury 115 possible fuel pump issue?

    Your motor may not have an overheat warning horn.-----Check fuel hose from motor to the fuel tank and pickup tube inside the tank.
  8. R

    Tool recommendations

    Agreed -------------a spark checker is so easy to make with stuff laying around your shop !
  9. R

    1976 mercury 115 possible fuel pump issue?

    With 120 PSI compression , good crankcase compression in each of the 6 crankcases.-----Good spark that jumps a gap of 3/8" or more , your motor should run and purr.----These motors are just wonderful if in good condition with clean carburetors.----You have installed a new impeller since you...
  10. R

    1976 mercury 115 possible fuel pump issue?

    Serial # of your motor?-----You start the trouble shooting with a compression test.----Regardless of what you think about your motor.----Post the numbers here.----The fuel pump is driven by crankcase PRESSURE pulses.
  11. R

    Impeller reminder for 3.9 4 5 7.5 ...Mercs

    And these impellers need to be replaced more often than other motors.----Especially if run in near freezing water.
  12. R

    1991 90HP Mercury not starting

    So 26,000 post here.-----Then you MUST check the parts book for this 1991 model MERCURY motor and all the 3 / 4 cylinder looper models!----- From 70 to 125 HP.----And you can't find a sheared key with a timing light either.----Rebuilding a 1965 model 65 HP MERCURY for a dealer this winter...
  13. R

    1991 90HP Mercury not starting

    Check the flywheel key.
  14. R

    OK I’ve had enough.

    I look at winter as nature's method to keep many folks away.-----I tell folks that " if the weather here was like in Florida , you and I could not afford to live here "
  15. R

    1996 Evinrude Vindicator 200hp--engine keeps quitting on start-up

    Post #1 says that carburetors were drained !
  16. R

    1996 Evinrude Vindicator 200hp--engine keeps quitting on start-up

    The electric primer is a valve.----It opens when key is pushed in.----So remove ( carefully ) one of the small hoses.----Crank engine with key pushed in.----Fuel should pulse out of the small nipple..----Fuel from the primer valve bypasses carburetor metering circuits and goes directly into the...
  17. R

    1996 Evinrude Vindicator 200hp--engine keeps quitting on start-up

    The motor should run longer than 4 seconds with carburetors full of fuel.----Are you pushing the key in for cold starting ?----Are you pushing key in as needed when motor falters?----Outline your starting procedure here.----Do you understand what the electric primer does and how it works ?
  18. R

    What does this marking mean on this new to me outdrive?

    I Think it means AOK condition.----They just left the O out to save ink.
  19. R

    Won't shift into reverse or neutral

    Step #1 is to drop the lower unit.----Operate shift rod and see if it shifts.----Check gear oil.----Then repair as needed.
  20. R

    Mounting bolt tab?

    Perhaps they take the place of an assistant holding a wrench inside the boat.
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