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  1. R

    1979 115 evinrude has no spark

    It was not mentioned.----Charge the battery and load test the battery.
  2. R

    '99 115 Yamaha choke butterfly plates are different

    ???-----The inline 6 Mercury 2 stroke only had choke plates on the top 2 of 3 carburetors !-----The idea on the YAMAHA here is that a motor in good condition will start with full choke on 2 cylinders.-----And will not flood and stall because bottom 2 cylinders are getting plenty of air.-----I do...
  3. R

    oil intake adjustment

    ???----There is no ----Injection system ----on a 1976 2 stroke model -----Need a model # of this motor !-----Gas and oil are mixed at 50:1 on this engine.
  4. R

    Help Me Identify Old Super Sea Horse

    The OP states----" motor seems to be in good shape "----I would consider it a parts motor.----Or a complete tear down for inspection !
  5. R

    Fuel pump diaphram

    No----Not normal.-----What is your motor doing / not doing?
  6. R

    Need Advice on a Evinrude 15

    Was it submerged ?----It is a parts motor if it was.----Easy fix for me here.
  7. R

    Boat is slow

    Put it on a dynamometer or use a test prop.----That will determine if it is the motor or issue with the boat.
  8. R

    Johnson 70EL76D Looper Terminal Block Wiring

    Older motors are elegantly simple and do not require $150/ hr factory support !!----So simple and reliable.-----One issue today is that folks have little to no idea how 2 strokes work and how they need to be looked after.
  9. R

    50 Merc

    Year / serial# ?-----Perhaps there is a ruptured fuel pump diaphragm or leaking float valves.----Or air leaks on fuel line / inside fuel tank and bulb is pumping air.----Should be easy to correct I think.
  10. R

    1989 Evinrude 88SPL (E88MSLCER) Cooling

    Sorry----I cannot offer any more help on this.-----You need to take a long look at this !!
  11. R

    1989 Evinrude 88SPL (E88MSLCER) Cooling

    ???-----Just look at the cylinder head !!----I see the ports that allow water in that space.
  12. R

    1989 Evinrude 88SPL (E88MSLCER) Cooling

    Look carefully at this set up.----Look for the 2 passageways as they are visible in your picture !
  13. R

    1989 Evinrude 88SPL (E88MSLCER) Cooling

    At the top of the cylinder head in your picture are there not 2 ports that go to the water jacket ?-----There are on a cylinder head off a 78 model that I just looked at !
  14. R

    Johnson 70EL76D Looper Terminal Block Wiring

    Overheat horn would sound.---Motor would keep running till it seized.------Up to boat operator to shut the engine off !!
  15. R

    Johnson 70EL76D Looper Terminal Block Wiring

    There is no ECU on a 1976 model.-----There is no " limp mode " on a 1976 model 70 HP !!
  16. R

    1940s 4 Cycle Flathead Opposed Mystery

    Post some more pictures.
  17. R

    1989 Evinrude 88SPL (E88MSLCER) Cooling

    Yes they carry water !!-----It should be easy to see how the water gets in there !!----Water does not go through that cover gasket !
  18. R

    Johnson 70EL76D Looper Terminal Block Wiring

    Well ----I cannot see , feel or touch your boat.-----I can only try to educate / teach those who are willing to listen.----The factory control had a waning buzzer !!----And compression should be around 140 PSI.----I will step aside.----Good luck with your project.-----Note ---I started repairing...
  19. R

    1963 Evinrude won’t start

    I say it all the time.----This simple magneto was installed from 1950 to 1990 om motors from 1.5 HP tp 40 HP.---Easy to maintain in any garage or backyard !
  20. R

    1989 Evinrude 88SPL (E88MSLCER) Cooling

    Is there a channel / port in the bottom and top of the head??-------And remember they made this cylinder head from about 1973 to 1998.----I think these folks knew how to build elegantly simple motors !!
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