Search results

  1. R

    1955 25hp Johnson RDE-17 compression

    No comment on compression numbers for that motor.-----Very easy and better to remove bypass covers to inspect pistons and rings.----Just too much argument about compression on older motors.
  2. R

    1955 25hp Johnson RDE-17 compression

    Should not be to hard to find a starter and flywheel.-----Post a " wanted ad " on------aomci-----website.
  3. R

    1978 85hp not getting full power

    Hook up a timing light to # 1 cylinder.----Take boat for spin on the river.-----Observe the flashing light.------Repeat test with other 3 cylinders.----Post what you see.------If spark is good on all 4 then likely not a spark problem.-----Could be a bad plug wire / boot shorting to the cowling...
  4. R

    1977 Mercury 150 Inline 6 fuel problem

    You have to investigate / look for issues with # 3 cylinder
  5. R

    1978 85hp not getting full power

    Which cylinder is the trouble cylinder ?-----Also inspect fuel pump diaphragm.
  6. R

    1977 Mercury 150 Inline 6 fuel problem

    Other than jumping all over the carburetors what other trouble shooting was done ?-----Does spark jump a gap of 3/8" or more on all leads ?----If there is no response when adjusting low speed mixture on the middle carburetor there may be a crankcase compression issue.------Reed valves or...
  7. R

    78 johnson 115 will not start

    Stop.----Is the choke solenoid working and properly adjusted ?------The motor needs to spin fast with the starter in order for ignition system to work.-------So load test the battery.-----Take starter apart for inspection and ohm check on armature.----Inspect battery cables.
  8. R

    98 Johnson 90 Spl - Water Out the Back

    I am not sure where the " back of the engine is "----Better description or post a picture of the leak.
  9. R

    1983 Johnson 35 wont start

    Popping out the exhaust ?-----Check the flywheel key.
  10. R

    Yamaha f40 water pump not pumping. Already replaced water pump impeller kit.

    If you are testing in a bucket the water needs to be 6 or 8" above the impeller.-----I think these pumps are very simple .---Almost impossible to put them together so they do not work !!
  11. R

    96 115 johnson won't run on low idle

    You start with posting a model #----There were 2 totally different 115 HP models in 1996.----Also the trouble shooting on an outboard starts with a compression test.---Post your numbers.
  12. R

    Center Console for Pontoon -- Controls -- what is a binnacle?

    ??-----What motor ??
  13. R

    Water impeller 6 H.P. 'Rude

    2 bolts on bottom of lower unit ----1 from top of exhaust housing to the lower unit.---Perhaps the 1 screw for the anode to get a socket on the lower 2 bolts.--Lower unit then slides off.-------Yes just 3 bolts !!
  14. R

    Help with 1968 Johnson 33 Electric

    That motor has the same crankshaft / con rods as the 40 HP of the day.------Well built and does not go ----" boom " ----like some modern computer designed engines.
  15. R

    Help with 1968 Johnson 33 Electric

    FR-----Well said, the motor was really well built 52 years ago / simple / reliable / easy to repair / run very nicely.-------Not sleek and computer designed like some plastic motors today.
  16. R

    1969 Evinrude 55hp outboard (jet)

    Clean the middle carburetor.----Do not run this motor any more.----A plugged carburetor means no fuel going to the #2 cylinder and no OIL either !
  17. R

    2000 200HP Ficht oil injection question

    That oil injector responds to signals / sensors on the motor.----Injects oil as per motor RPM / first start up / throttle position etc, etc.
  18. R

    2000 200HP Ficht oil injection question

    The " thing " that distributes the oil has wires going to it ?-----The ECU would know if that pump was running or not I say.
  19. R

    1986 Mercury 50hp 3-cyl - Shift Shaft Disconnect

    I think the shift shaft is splined and just slides out.-----No need to disconnect anything.
  20. R

    Rebuilding 1985 mercury carburetors

    The thin diaphragm with the valve flappers is sometimes used to seal better.----With the brown gasket backing it up.----Your choice.-----Why did the carburetors need to be " rebuilt " here ?----What is the motor doing / not doing ?
Top