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  1. C

    Johnson 40 Hp wiring diagram

    this $10 download may help..... up to you 1971-1989 Johnson-Evinrude 1.25 thru 60 HP Service Manual | MyBoatManual
  2. C

    electrical

    gee.. that felt good :-) saves me a 25 amp bridge
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    electrical

    that would imply current flow against the directional control properties of the diodes... I have a few spare 25 amp 4w bridges.... time permitting * i'll try and blow one :-) * between my real duties
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    electrical

    does anyone know why boat rectifiers blow all the time when their batt. polarity is reversed ... ?? typically, a diode's role in life is to control the direction of current and block reversing voltages ... like rectifying AC voltages in power supplies.
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    2001 Johnson 40 not turn over

    (secret .....anti-theft gizzmo ???)
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    Runs great for 30 seconds

    true ! I guess that was not the original problem :-(
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    Runs great for 30 seconds

    not much done yet ... waiting for feedback on basic pump test, filter checks etc... I do not think the fuel pump was replaced ... distance to dealer seems far since OP can't get the codes checked out ??? knowing if any codes come up would help greatly ...but you are left with assumptions.
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    Runs great for 30 seconds

    cracked hoses cause fuel leaks on the pressure side or lack of suction on the lift pump side knowing if any codes come up would help greatly ...but you are left with assumptions. the float " venting needle" inside the vst might be freed up as a test...if you try a backflush ...
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    2001 Johnson 40 not turn over

    tell us the solution ...we all learn from solutions :-)
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    2001 Johnson 40 not turn over

    does selenoid click yes no ... ?
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    2001 Johnson 40 not turn over

    shifter in neutral... can you hear the selenoid click battery terminals clean and tight ? battery charged and ready to work ?? new problem or new motor ??
  12. C

    Carb fuel intake nipple cracked

    butter it up with JB weld as a temp fix pre-clean nipple with carb cleaner check for leaks
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    Oil Line?

    see description on older models...
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    Oil Line?

    the intake manifold shows a drain valve behind the nipple so it may very be a means of literally sucking out any accumulated unburnt fuel/oil deposit which can accumulate when running at low rpms this is sometimes dumped overboard in older models using a one way valve to push out the...
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    Oil Line?

    How to Use Proper Forum Etiquette | Boating Forum - iboats Boating Forums 3 & 6 are pretty good
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    Oil Line?

    racerone... no PM's on your profile ?
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    Runs great for 30 seconds

    unless I am wrong here the " float" is strickly a vent float in the VST reservoir. A sticky needle would cause an air lock hindering the inflow of fuel from the lift pump... depriving the high pressure pump from doing it's job. but as you all know I have developped a taste for crow :-)
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    Runs great for 30 seconds

    does it run if you continue pumping the bulb on the fuel line ? vst venting it'S air out ok ? hear the HS pump running ?
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    I found cracks on the top of my motor under the stator

    you know.. a long time ago I was on a management course SOLVING JOB PERFORMANCE PROBLEMS..... RULE#1 If an issue ( ex: situation , appearance, bad habit) does not affect job performance don't try to solve it ! we all know it as......... If it works don't fix it :-)
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    1972 evinrude 9.5 lower end rebuild new drive shaft gear ??

    did you make certain the side shift rod link is set ok and the shift rod is adjusted properly on top . I am no gear expert but they don't look bad enough
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