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  1. R

    1990 15 hp Johnson won’t start, sort of sounds like it’s sucking air/leaking air

    I thinks the key is OK
  2. R

    1990 15 hp Johnson won’t start, sort of sounds like it’s sucking air/leaking air

    Key looks fine to me.----And use no grease when fitting the flywheel.----Must be clean and dry.
  3. R

    1990 15 hp Johnson won’t start, sort of sounds like it’s sucking air/leaking air

    Checked the flywheel key today or 2 weeks ago ?
  4. R

    Johnson 6hp 1969 model 6r 69m

    Those motors were never offered with electric start.----I suppose a handy man could fit something on there.----But it must be explosion proof !!
  5. R

    93 Johnson Evinrude 48hp

    Ruptured diaphragm in fuel pump ?---Does spark jump a gap of 3/8" on both leads?
  6. R

    1990 15 hp Johnson won’t start, sort of sounds like it’s sucking air/leaking air

    If you put fuel directly into the sparkplug holes the motor should---BARK---If there is no response you have no spark or spark at the wrong time.
  7. R

    93 Evinrude 50hp 2 stroke on pontoon

    They will rev up in neutral on one cylinder.----That test means nothing.-----Post your actual compression values here.----Test for spark that jumps a gap of 3/8" ( 1 cm ) on both leads.----Check for sheared flywheel key.-----Mixing gas and oil at 50:1 or running with VRO in...
  8. R

    1990 15 hp Johnson won’t start, sort of sounds like it’s sucking air/leaking air

    Learning how to start a motor.----learning how to diagnose a " no start " condition is a lost art.
  9. R

    Johnson 60ESL70B component

    Elegantly simple.-----Blocking diode keeps lower unit in neutral using current from alternator.-----Prevents it slamming into forward when turning key to --OFF---at high revs it could do damage.-----Why the question ?
  10. R

    Crank wont start

    They likely sorted it 2 years ago.
  11. R

    1990 15 hp Johnson won’t start, sort of sounds like it’s sucking air/leaking air

    Fuel in the cylinders.----Spark that jumps a 3/8" gap means the motor should at least bark / roar like a lion !!----Check that flywheel key today.----Assemble with the tapers clean and dry ??---Did you torque the flywheel nut to the correct value ?
  12. R

    1965 Johnson 9.5 steam or smoke?

    Yes , check the thermostat.
  13. R

    1986 90 hp johnson idle and ramp up issue

    Post your actual compression values first.
  14. R

    1968-1972

    That looks wrong for the hydro-electric shift.----Reverse is power to both green and blue.
  15. R

    Old Evinrude question, Can anyone help?

    What extra bolt ?
  16. R

    I cant get this throttle set up properly. Please advise.

    edited
  17. R

    Yamaha 2-stroke 50HP 1980's bogs and not reaching max RPM

    Many pumps are mounted directly over the PRESSURE pulse port.
  18. R

    Old Evinrude question, Can anyone help?

    Item #37 fits the groove at top of driveshaft.
  19. R

    Stock plug for Evinrude 50

    It is NOT optical ignition.-----Just the standard electronic magneto ignition that was developed / first used in 1971 models !!!----One coil with 2 sets of windings, one for each cylinder.----Run with L77JC4
  20. R

    I cant get this throttle set up properly. Please advise.

    Remove cables-----Shifter cable is the first one that moves.----Measure total travel of throttle cable from idle to full throttle..----Measure total travel needed on motor linkages from idle to full throttle.----Post what you find
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