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  1. R

    johnson 115 no spark on right side of motor

    Model # of the motor ?
  2. R

    Johnson 150 Starts Out of Water but Not In Water

    You are pushing key in and holding it in while cranking it over?------Step #1 is to post compression test results for this issue.-----Sounds like low compression in the CRANKCASE might be a issue.
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    Johnson 10hp driveshaft

    There should be a spline at the top of the driveshaft.----Slides into the spline in the crankshaft.------Post pictures here.
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    Stator 6hp non standard

    Most OMC parts have a 6 digit casting number on them !!
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    Stator 6hp non standard

    Is the brass insert loose in the aluminum plate ?----This would not be my approach to this repair.----Is there a 6 digit number on that aluminum plate ?
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    1976 Johnson outboard 9.9HP 10R76H diagnosis

    Step #1 is a compression test.----No point throwing beer tokens ($$$ ) at a worn out motor.----Does spark jump a gap of 1/4" or more.----Check the flywheel key.----A sheared key means no spark condition.-----Test driver coil.----Clean breaker points and recheck for spark.
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    Gear oil for mercury 60hp

    Gears still cost big beer tokens for old motors.----Good factory oil is cheap considering.
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    Outboard not running right with cowling on... and a fix!

    Many manuals say ---" do not run full throttle with air box off "---With all those holes the air box cover does nothing.
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    Outboard not running right with cowling on... and a fix!

    You should fix what is wrong !!
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    1996 Polaris SLT780 compression issues

    Hole in a piston is a possibility.----If it is a 4 stroke it could be a valve stuck open.
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    Engine fogging

    With engine running the fogging oil does NOT enter the carburetor bowl.----There should be no concern about gumming up the metering circuits.
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    1973 Evinrude 25 sneezing

    See post #3
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    Outboard life expectancy

    Picking up a 4 stroke 2004 model 150 HP Yamaha.----Water getting into engine oil.----Owner opted for a new motor.----Getting a 100 HP Yamaha for next to nothing.----Severe corrosion in head gasket area.----Big shops simple do not want to rebuild these exotic ( many , many parts ) motors.
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    New to us Boat!

    Check the integrity of transom and stringers.---No point putting a new floor over rotten stringers.-----Find a owners manual for this motor.----Read it 2 times before your first launch of the boat.
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    1973 Evinrude 25 sneezing

    Does spark jump a gap of at least 1/4" ( 6 mm ) or more , yes or no?-----Sounds like throttle plate is opening too early.-----Thermostat installed and working properly ?-----J4C is the correct plug.
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    1976 Evinrude - Metal vs. plastic water pump housing?

    I think I have one in a box somewhere.-----The heavy duty chromed version V-4 model 75 HP
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    Outboard life expectancy

    People know very little about fine machinery.----Most outboards do not have a chance to wear out.----They are destroyed by owners everyday.
  18. R

    91 Johnson 175 gt

    ?---#6 is the lowest cylinder on your motor.
  19. R

    91 Johnson 175 gt

    Remove bypass cover for #6 and post pictures of piston and rings.
  20. R

    91 Johnson 175 gt

    I would say 90 PSI compression is too low.----Needs to be rebuilt I think.
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