Search results

  1. R

    Help needed-1990 evinrude 70hp carb question

    Compression test is first thing to do.----Post your numbers here.
  2. R

    Help 1980s 70hp evenrude Idles but bogs down under load

    That fuel rail set-up should work OK.
  3. R

    Johnson Evinrude 1980

    Too late now.-----The clutch dog edges are like worn with repeated abuse.-----Time to take lower unit apart for inspection.----Price of new parts will shock a novice.
  4. R

    1962 Evinrude Starflite IV 75hp no spark HELP!

    Have not worked on one for many years.----Can not recall a taper on the magneto pulley.
  5. R

    Late 70's Lower unit identification

    The trouble shooting on these V-4 motors starts with a compression test.----Post your numbers.
  6. R

    Late 70's Lower unit identification

    Ignore post #8 , ended up in wrong place.
  7. R

    Help 1980s 70hp evenrude Idles but bogs down under load

    Did you find the high speed jets ( orifice plugs ) 3 of them.----You find it in the carburetor bowl way in behind the drain plug.----Water pump impeller changed ?----Compression test results need to be posted.
  8. R

    '84 evinrude 6hp E6RCRM

    These are a wonderful motors and there was nothing wrong with them.----Changes are often made to reduce manufacturing and assembly costs.
  9. R

    1973 Model 25302A 25hp runs great until the cover goes on

    Running in a barrel ??-----Try running / testing on a boat at the river.
  10. R

    Late 70's Lower unit identification

    Bushing in the magneto plate worn out or loose ??
  11. R

    Late 70's Lower unit identification

    Picture #2 shows an oil pressure shift assisted lower unit.----It goes into FORWARD with a DOWN motion of the shift rod.-----Your motor likely shifts to forward with an UP motion of the shift rod.-----You are right they all look the same to a novice.----But they are not all the same !!------And...
  12. R

    CSM Cold Start Merc DIY Direct Injection Y'all

    I would install an electric primer valve from a Johnson or Evinrude.----Does the same thing as your spray bomb without all the work.-----Push the key in and motor will be running !!
  13. R

    1962 Evinrude Starflite IV 75hp no spark HELP!

    As I recall the pulley just slides off once you undo the nut.----With the magneto on your work bench the coil comes out fairly easily.
  14. R

    40 hp 1966 Evinrude full speed problems

    A very good motor , worked on lots of them.----I can not see , feel or hear your motor.-----So post your compression test values.-----And does spark jump a gap of 1/4" or better on a test device, yes or no ?-----Sounds to me that it might be running on 1 cylinder.-----Have you had the flywheel...
  15. R

    1962 Evinrude Starflite IV 75hp no spark HELP!

    Nope ----You want to see the lightning storm on a test device.---Set the gap at about 1/4".-----Easy to make a test device with wire glued on cardboard.
  16. R

    115 hp merc....unexpected revving...poor excelleration

    Check for a sheared flywheel key?-----Costs nothing to check it.
  17. R

    '93 Evinrude 90 Losing Power

    Agreed test run with timing light one cylinder at a time.----Observe the light.----And the steady stream coming from the tell tale indicates that water pump is working.-----But that does NOT indicate that motor is cooling properly !!
  18. R

    Help would be greatly appreciated

    Compression is low.-----Remove cylinder head.----Inspect cylinders.-----Head gasket is cheap.----Not much effort involved.----Will tell you a lot.
  19. R

    76 6hp seahorse dies after 10 mins

    " Hit the primer ball "---Means nothing to me !----How big was the hammer ?-----So when you squeezed the ball was it pumping fuel ?----How many squeezes to fill the carburetor ?----Did the bulb go hard?-----I would test run with another tank and hose.
Top