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  1. R

    '69 johnson hydro electric shift V4

    They use type C- oil.----But using a different gear oil does not cause immediate damage !!---Will still shift fine !!--On more than one occasion I have shown folks what is wrong with a mechanical device.-----Only to have folks indicate that I am wrong.-----They are still struggling and replacing...
  2. R

    '69 johnson hydro electric shift V4

    Looks to me that damaged parts were replaced.----And the cause of the damage was overlooked.----Fairly easy for me to say.---Note----I was working at a Johnson dealer in 1968
  3. R

    '69 johnson hydro electric shift V4

    I have driven 2 hrs to tutor someone in his workshop.-----A retired individual who is repairing older motors as a hobby.
  4. R

    2 hp Johnson: My 2 HP Johnson is a model 2R78R a 1978

    I believe at 65 PSI it was in good condition and no need to tear this motor down.
  5. R

    '69 johnson hydro electric shift V4

    Why not repair this simple gearcase ?---It is so easy.
  6. R

    '69 johnson hydro electric shift V4

    A good unit shifts as described on my work bench !!----This should be an easy fix in my opinion.---See post #14 and act on it.----If you keep guessing we might end up with post 101 before it is fixed.
  7. R

    '69 johnson hydro electric shift V4

    Leave water pump off the unit.----Fill gearcase with oil.----Put negative from a battery to gearcase.----Put 12 volts to green wire.----Gearcase should shift to neutral after just one turn of the driveshaft.----Put 12 volts to both wires and you get reverse after 2 turns of the driveshaft,
  8. R

    '69 johnson hydro electric shift V4

    The repair should be simple in my opinion.----Concentrate on #10 and the bore that the piston moves in.----Inspect oil pump.----If rotor is good you will have proper oil pressure.---Test the shifting BEFORE installing the gearcase back onto the motor!!
  9. R

    '69 johnson hydro electric shift V4

    It is not shifting fine on the trailer.----The clutch dog is not fully engaging in reverse.----It does not have to fully engage to turn the propeller in air.----And are the operators of this motor trained to not use reverse as a brake?----Are they letting the motor RPM to come to idle before...
  10. R

    '69 johnson hydro electric shift V4

    With some simple inspection ( post #14 ) it should be an easy fix.---That is my opinion.
  11. R

    '69 johnson hydro electric shift V4

    Need to concentrate on the shift piston.----Shift piston bore.----Oil pressure and shift control valves.----The damage on the forward gear clutch dog indicates there are issues with those items.---The spring puts this thing in forward and no damage can occur as shown in your pictures !
  12. R

    '69 johnson hydro electric shift V4

    Your location ?----Model # of your motor ?----Post pictures.----I did not know of a unit made in Belgium.-----Perhaps it is not the original gearcase?
  13. R

    '69 johnson hydro electric shift V4

    #20 is a thrust bearing.----Reverse gear floats on #29.-----None of these items have anything to do with reverse gear shifting , unless there are parts missing. !----Are you prepared to do some simple inspection on this lower unit ??
  14. R

    '69 johnson hydro electric shift V4

    There is no bronze bushing in the reverse gear as far as I know. ---And #71 is a thrust washer.
  15. R

    '69 johnson hydro electric shift V4

    There is no " bushing " in reverse gear.-----Reverse gear does NOT touch the propshaft ( axle )----Ask your mechanic to explain that theory !
  16. R

    '69 johnson hydro electric shift V4

    No---Item #10 is the shift piston.----For reverse it needs more oil pressure to compress the spring.-----If someone fooled with solenoid adjustment that could also be an issue.---Clean the shift piston bore.---Replace o-ring item #8
  17. R

    1997 Johnson 40 no spark

    Correct , the E-tec behaves like a 4 stroke for part of the revolution of the crankshaft.---Therefor saves a lot of fuel.
  18. R

    '69 johnson hydro electric shift V4

    Electric shift units are well designed, very reliable, easy to trouble shoot and repair.---That is my opinion, some will argue and disagree.
  19. R

    '69 johnson hydro electric shift V4

    The engine block will not fit on a motor of 1973 and newer.----Sounds like an issue with shift piston bore.----So clean the bore.----Test shift function before installing the lower unit on the motor.
  20. R

    1997 Johnson 40 no spark

    The 2 stroke engine is a wonderful machine.----But many folks (newbies ) have a poor understanding of how they work !
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