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  1. R

    1972 Johnson 25 Rough Idle

    Do an ignition " stress test "-----Does spark jump a gap of 5/16" on a test device , yes or no ??-----And is the thermostat in place and working?----They often stick open.
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    Starter Motor Completely Dead

    Or if the cap with brushes is not installed correctly.-----Need to know what you have to be ably to provide help and not guess.
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    Homemade Strap Wrench

    Great idea.----Recycling 101.
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    1970 Mercury 4 HP Wiring

    Typical of their wiring of that era.----Use any wire of similar size.-----They never thought these motor would last this many years.-----Had fun getting the carburetor off ?
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    Electric Cars or Trucks

    Government spending / assisting big corporations again.------It just does not stop.
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    Metal shavings in reed block

    Reed valves have nothing to do with the " zero " compression in the one cylinder.-------This motor needs teardown and full evaluation.
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    Starter Motor Completely Dead

    Could you state what motor you are working on ????
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    Spark plug wire for 1975 Johnson 115

    It has worked well for many years.--------My self I have issues with the thousands of different plastic connecters on modern equipment .----They are expensive / difficult to figure out. / not repairable either.
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    Johnson V4AL-14 not pumping Cooling Water

    A temperature switch is shown in parts book.----Test the hot light.-----Better yet is a buzzer for overheat.-----Install a new impeller now.
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    1972 Johnson 25 Rough Idle

    It is a 50 year old motor.-----Perhaps 5 owners.-----Post the results of a compression test.
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    33 hp Johnson no spark

    Perhaps this event happened 10 years ago !!!
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    Spark plug wire for 1975 Johnson 115

    They have used that " weird " connecter for over 50 years.-----Must be very good and reliable I say.
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    Johnson V4AL-14 not pumping Cooling Water

    There is no tell tale.----Folks maintained the water pumps back in the day._--You need to install a new impeller.-----Lots of u-tubers can give you tips.----
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    9322B 9.5hp evinrude oil mixture

    Smoke is the nature of a 2 stroke engine.-----But many folks are confused by the topic of oil / smoke / lubrication.
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    1977 Evinrude 115 HP

    Tear motor apart.-----Inspect all parts.-----Check your budget.-----You need 4 new pistons.----4 new ( updated ) wristpin bearings------New waterpump kit..------Gaskets.----Make sure lower unit is in good condition .-----Perhaps a teardown and inspection there with a seal kit.----WISECO is one...
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    Johnson Super Sea-Horse 40 Electramatic

    You can put that ultra pro gear in there.-----But is is electric shift and a TYPE-C gear for electric shift is to be used.----Now marketed as " PREMIUM BLEND " by BRP-----Time to talk to your local shop as the internet will sell you what you ordered ----Right or wrong.
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    Evinrude Big twin 40

    They came with a 10 amp belt driven , optional generator.-----But today you might be able to fit an alternator from small car.----Depends on what tools / ambition you have.
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    Johnson Super Sea-Horse 40 Electramatic

    Your location.-----evinrudeparts.ca -----Is but one excellent source for parts.-----Check gear oil for water.-----Test electric shift function before spending any beer tokens !----Can be done with 12 volt battery and motor does not need to run to at least get an idea on lower unit condition.
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    1977 Evinrude 115 HP

    Welcome to the broken piston ring club.-----It is a bad design of the top piston ring that leads to this failure.------Thousands of these motors from 1973 to 1998 have had this failure.-----And almost all the rest will soon fail.
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    Johnson Super Sea-Horse 40 Electramatic

    Take the lower unit off.----Inspect water pump impeller and housing.-----Post the compression test numbers.---Does spark jump a gap of 1/4" or better on both leads.-----Do a complete evaluation of this motor before spending any beer tokens.----
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