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  1. R

    1997 Johnson Mod: J90TSLEUA

    You would like to see 125 PSI.----If you have that and one cylinder at 105 there issues.----These motors all suffer from broken piston rings.
  2. R

    1997 Johnson Mod: J90TSLEUA

    Agreed the " ocean runner " models had a few key parts / hardware made with stainless.
  3. R

    1997 Johnson Mod: J90TSLEUA

    The 2 engines are totally different.-----You need the manual for the 90 degree block.------Do a compression test and post your numbers before spending any beer tokens on this motor.----Ignore the ---S--- as it means very little.
  4. R

    2003 50 HP 2 stroke water pump question

    You forgot to post a picture of the old impeller.
  5. R

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

    Agreed.----And a local dealer would / should help you find those rings.----No need to resort to getting stuff from overseas in my opinion.-----I have new rings on hand for one of these simple projects.
  6. R

    Driveshaft/pinion gear removal issues

    Water pump is removed ?----I can not see.------The issue may well the bearing under the water pump housing.-----I have had to pour boiling water on that area ( both sides) to heat the aluminum so the bearing slides out.----Heating the pinion is not the correct approach in my opnion.
  7. 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...
  8. 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
  9. 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.
  10. 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.
  11. R

    '69 johnson hydro electric shift V4

    Why not repair this simple gearcase ?---It is so easy.
  12. 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.
  13. 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,
  14. 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!!
  15. 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...
  16. R

    '69 johnson hydro electric shift V4

    With some simple inspection ( post #14 ) it should be an easy fix.---That is my opinion.
  17. 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 !
  18. 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?
  19. 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 ??
  20. 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.
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