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    understanding idle on 1971 Johnson 50 hp

    common old style carb with a LS needle on top. have you tried adjusting the needle with small increments have you serviced the carb at all ?? easy to clean. see carb issues pictures. old carbs but same issues Yours has no HS needle on the bottom just a fix jet on the bottom...
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    1999 Evinrude (90 hp) E90FPLEEC - Runs fine at idle speed. But stalls when running about 3000 rpm

    don't assume the small lift pump is bad you also have the fuel filter asa possible source of restriction....then the VST needs to vent properly otherwise entry into the VST of new fuel will be compromised . Check vst top cover for a small float valve/needle which closes when the VST is full...
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    Temperature switch circuit 2000 Johnson 150hp

    I can manually choke it, pump primer bulb until I get fuel into the manifolds and it starts fine.... anything wrong with the lift pump ?? feeding the vst no expert on these big engines but.... Carbs look like regular old style float valved carbs. Strange that no fuel reaches them .... any...
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    Trim

    maybe this can help basic 2 wire ptt the relays simply forward or reverse the current to the trim relay. if motor works one way seems logical it should work the other way (wires to the motor being ok ) and the big IF is ..... are relays applying juice to the motor in the...
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    1957 35 Johnson (carb adjustment)

    great news ... thanks for your feedback. Lots of folks just go off in the blue and never come back with good news :-)
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    Johnson TN 26 5HP impeller replacement

    see pic
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    Boat shuts off after a few seconds.

    see pic.... yellow areas subject to clog and sticking (needle)
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    Boat shuts off after a few seconds.

    how about doing the carb 14 years of dried fuel may be clogging things need new impeller gearcase oil etc.... to wake it up properly check compression
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    '65 Sportwin 9.5hp prop shaft play

    also check the side shift link (shift rod connector) for proper fit
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    '65 Sportwin 9.5hp prop shaft play

    any chance the shift lever is not adjusted properly
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    1978 Evinrude 85hp fuel pump question

    on the parts place... they show a common pulse pump (pulsing vacum is at the rear) .... with one cover hose sucking gas via the cover filter and one exit nipple where the fuel output gets distributed. Very common setup with lots of cheaper chineese pumps if you wish to save some $$$...
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    Unable to start and no water out the telltale

    small print...
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    Unable to start and no water out the telltale

    and in any purchased of a used motor you should do the impeller ...just in case. your new to you motor is 30 years old and some folks are not to religious about changing impeller every few years. Depending on use I would say 5 years is a max before you inspect/replace it before some...
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    1961 9.5 hp

    Johnson 9.5hp MQs and Evinrudes 9422 and 23s started in 64 how about giving us a picture....
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    Johnson 115hp ocean runner 1996 model

    vent fuel pump air leak filter ...........checked ?
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    1961 9.5 hp

    see file
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    1961 9.5 hp

    stuff to read http://www.leeroysramblings.com/OMC_9.5.htm http://www.leeroysramblings.com/johnson_magneto.htm http://www.leeroysramblings.com/removing_the_flywheel.html...
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    25 HP evinrude Etech issue

    I have not used the pumps in question. I have only given you a referrence to it. Going forward is up to you but in any event you must ascertain that fuel pressure to the injectors is out of specs before trowing parts at the motor. the info is from a ETEC user who said it worked for...
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    84 Johnson 40 HP Weak Top End/No Slow Idle

    feed it some Evinrude engine cleaner and some 2+4D fuel conditionner can't hurt
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    25 HP evinrude Etech issue

    from one post at the ETEC user board ... https://www.amazon.com/Fuel-Pump-28128525A-Johnson-Evinrude/dp/B0973W49LM Posted 06/25/20 #11 The separator is easy to disassemble. (4 external screws and 2 internal). And it has a Delphi 28128525 pump installed. Which is not sold...
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