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  1. R

    Rattle when in gear

    Check the gear oil.------And find out where oil is leaking out.------This sounds expensive.-----Or is propeller hitting the trim tab?
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    Johnson cowling seal

    try------nymarine-----Has the stuff you need.
  3. R

    96 Evinrude 50 cutting out

    Running with 50: 1 mix ?-----VRO tested if in service ?----Water pump impeller replaced?----Post compression test results.
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    does black stain on vernatherm mean head gasket leak?

    ??----A head gasket is cheap.----Replace it if you are losing sleep.
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    1986 Johnson 70 Carb Parts

    ??----Those are where the electric primer valve hoses go.----When the primer valve is open and the engine is cranking the fuel goes in there.--------I say it all the time.---A simple fix.
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    Diode installation on 1972 Rude CD Ignition

    It is easy , but difficult to explain.----Good luck with this motor.
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    Yamaha F150 overhauls?

    Rebuilt powerhead $4500 ( short block ) at ----Crowly marine.
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    Yamaha 2-stroke 50HP 1980's bogs and not reaching max RPM

    Compression test is the first thing to do.----Post the numbers here.----Then test spark.----Sounds like it might be running on 2 of 3 cylinders.-----Or there is blockage in a carburetor.-----Or a hole in fuel pump diaphragm.-----Orderly trouble shooting should find the issue in a matter of minutes.
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    1986 Johnson 70 Carb Parts

    Those small rubber hoses come off the electric primer valve.-----Fuel is pushed into the air going through carburetor for near instant starting.-----IIf I was in dire need here I would take some brass screws and modify them to work.----Or I would machine new nipples.-----Or go to a bin and...
  10. R

    1990 Johnson 70hp engine warm /will not restart

    Whar ?----Item #2 is a lead shot.----And #4 and #5 are core plugs , those wee aluminum discs.
  11. R

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

    They all sound great revving in neutral.---That means nothing.
  12. R

    1982 OMC 90 HP V4, won't start in the water

    I guess i missed all the battery / starter fixes in post #1.-----Not going to present my case.----Good luck sorting it out.
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    1999 75hp Fuel Prime Issue

    There is no need for the primer bulb to be hard once motor is running.---This confuses / baffles a lot of folks !
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    1982 OMC 90 HP V4, won't start in the water

    My advice is always the same.-----You need to post the actual compression test values.---That is done to determine the overall condition of the engine.----Next is to get the battery load tested.-----No $$$ spent so far.
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    1986 90hp johnson primer bulb collapsing..hear me out

    Did you install the regular pump right over the pulse port on the intake manifold ?----Part # of the fuel pump you installed ?
  16. R

    1990 Johnson 70hp engine warm /will not restart

    Does the tell tale hose fitting come off the side off the block or the top of the block??-----There was a service bulletin in 1994 to move said fitting to the top.----ost people suggest installing a new impeller on a " new to you motor !----At least test the overheat horn.----Post the actual...
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    Diode installation on 1972 Rude CD Ignition

    Well---wires and 12 volts are very simple in my opinion.----But difficult to explain sometimes.-----I believe post # 4 is very clear.----For the spark jumping under the flywheel , replace the 5 rubber boots where plug wires screw into the distributor cap.
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    Diode installation on 1972 Rude CD Ignition

    ???----This modification came off the STARTER solenoid post.----Meant to provide 12 volts to powerpack during cranking only.----Diode was to prevent 12 volts to starter once motor fired up !
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    Copper crush washers ok to use?

    A lot of good gear oil gets thrown out.----No need to change it often if seals are keeping the water out.----If water is getting in you need a complete seal kit !!
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    Copper crush washers ok to use?

    A lot of overthinking on this simple topic.
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