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  1. R

    1975 Johnson 25 HP Not Running

    You put in 6-1/2 drops ( bit of humour ) to quickly determine where the issue is with a motor.----If motor fires it proves spark at the right time and compression.-----So the issue on this motor is fuel delivery.-----Maybe the high speed jet in the carburetor bowl is plugged.----Or maybe the NLA...
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    1975 Johnson 25 HP Not Running

    When you pull the choke on does the choke plate close fully ?----And does it stay closed after you try and start the motor, yes or no or no idea what to look for ?
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    Fuel injected parts no longer available

    Electronic devices are cheap to make in an automated factory.------Electronic devices are quick and cheap to install on an assembly line.----Are calibrated at the source.----Require few skill at the assembly line.-----But when it comes to diagnoses and repairs this new technology is very expensive.
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    86 Johnson gt 200

    Just take the advice of your mechanic and ignore us here.-------Install powerpack off AMAZON and go fishing
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    86 Johnson gt 200

    I do not know your mechanic.----I can not see , feel or hear your motor.----You need to provide exact information , answers to questions.----Perhaps find a good shop at $100 + / hr if you can find one to work on a 37 year old motor.----Good luck with it.
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    86 Johnson gt 200

    Good luck with your motor.
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    86 Johnson gt 200

    Need to provide information for folks to help you fix this !----Does spark jump a gap of at least 3/8" on all 6 leads , yes or no ?----Post the compression numbers.------Running with tested VRO in service ?----Or premix at 50:1 ratio.----Water pump impeller replaced ?----Flywheel key checked ?
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    86 Johnson gt 200

    Does spark jump a gap of 3/8" or more on all leads?------If the motor is new to you post the compression test results here.----If battery is old or starter motor is weak there will not be a strong spark.----Flywheel must turn fast to generate a strong spark.
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    Johnson 40HP 2 stroke model number

    Graphics are not original.----It is at least a 1989 or newer.----You have to install a new water pump impeller.----Post picture of top of driveshaft.----89 to 92 were small spline and 93 and newer were a bigger spline.----Lower units on these are not robust.----Use the best oil you can find at...
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    1975 Johnson 25 HP Not Running

    It should be an easy diagnosis and fix !!
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    Cybertruck

    Executives at the " big three " should be talking about this thing----I am not a fan of electric vehicles.-----Young folks today have different buying habits and priorities.
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    1975 Johnson 25 HP Not Running

    Throttle plate has holes in it to allow air / fuel to go in at idle.----In neutral you open throttle until you hit the interlock.----Throttle plate should open slightly.----Ignore start mark on the grip.----Does choke go on and stay on when you try and start it.---Electric choke or manual choke ?
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    1975 Johnson 25 HP Not Running

    Repair your carburetor.----Inspect reed valves.----Check to see if choke goes closed and stays closed when attempting to start motor.----In my opinion this should be an easy repair.
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    1975 Johnson 25 HP Not Running

    Remove sparkplugs.----Put 6 -1/2 drops of fuel in each hole.----Install sparkplugs.------Pull on the recoil 10 times if needed.----Report what happens.
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    1976 6 hp Evinrude "slipping or over reving" coming up on throttle.

    Was overhauling those when I was a teenager.----Nothing to them.
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    1976 6 hp Evinrude "slipping or over reving" coming up on throttle.

    Try another prop.-----And myself I would not hesitate to pull the simple lower unit apart for inspection.----In my opinion the bronze bushing above the pinion is not up to the task,-----Perhaps it is egg shaped leading to issues with gear mesh.----Could be the clutch dog and forward gear edges...
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    Can anyone identify the type of boat in this painting?

    Looks like something from the Nile river
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    Fuel injected parts no longer available

    This is a known issue with " high tech " parts.------Also a known issue with outsourced parts and suppliers.-----Old ignitions could be refurbished by real mechanics in the day.----Carburetors could be repaired / rebuilt.-----But your mechanic today can not build a fuel injector / a sensor /...
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    2003 Johnson 90hp fuel pump

    The VRO pump is easy to work on.-----Invest in a manual and take it apart.-----Inspect carburetors floats and float valves as well.
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    This shaft is too long, right?

    There is no 5" spacer.----The motor is a short shaft for 15" transom !!
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