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  1. R

    1975 Chrysler 75 HP Outboard Weird Spark Issue

    Weak battery.----Load test required.---Bad starter.----Take it apart and do some testing on it.
  2. R

    1975 Chrysler 75 HP Outboard Weird Spark Issue

    Starter may be drawing too much power.
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    1979 80HP Mercury

    Do choke flappers close when you push the choke button?----Are choke flappers a tight fit ( not warped)
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    1979 80HP Mercury

    Do you push the choke to be on all the time while cranking it over?
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    1979 80HP Mercury

    Load test the battery.----Take starter apart for inspection and ohm test on armature.----These steps are important and cost no beer tokens.
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    I Got Me a Mercury !!!

    Have you had this motor apart ?----Upper and lower crank seals go bad on these after 50 years.---Labarynth seal in reed valve block wears.---Reeds can break / chip.-----Rings wear.----No overheat protection on these and often have scored pistons / cylinders.
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    1979 80HP Mercury

    Help the forum help you by posting the actual compression values.----Do you raise the fast idle lever for cold starts?-----Do choke flappers close when key is pushed in , or button is pushed?
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    1996 115hp can't get starter to engage

    With a " flywheel cover " it must be a 60 degree motor.
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    1975 Johnson 70hp

    If those are accurate compression values , there is an issue.-----Remove cylinder head and inspect.----Values should be at 140 PSI.
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    Evinrude 75hp 1976, difficulties accelerating

    Post the actual compression values here.
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    Idle Issues - 1980 Johnson 115 - J115TLCSA

    Post the actual compression values here.
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    1988 70hp vro throttle

    The red lever on the electric primer valve should be inline with the valve body for the " run " position.---Pointing to the back of the motor.-----Do a complete evaluation of this motor before spending any beer tokens on it.
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    1988 70hp vro throttle

    The red lever on primer valve is in the wrong position.----And what are you using to operate the throttle.-----The small lever or the main lever.-----Perhaps find a manual or a coach on how to operate the motor and the control box.
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    1990 Force 120HP carbs mix adjustment help

    Use a dial indicator.----Post an accurate measurement of how much movement you get at the flywheel.----Is it 0.003" or 0.013".----No guessing on things like this.
  15. R

    1958 Evinrude Bigtwin 35/1969 Evinrude Ski Twin 33 powerhead swap

    May have to swap some parts / brackets to mount the hood.
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    NEED PROP ADVICE: '78 Johnson115 2stroke/ '82 Ranger 330V

    He states it is a " good "gauge.----Here a motor like that would have the cylinder head off in a heartbeat !
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    NEED PROP ADVICE: '78 Johnson115 2stroke/ '82 Ranger 330V

    Well---102 PSI compression would indicate that there are issues with the motor.
  18. R

    1967 Johnson 100 hp Meteor outboard

    The 1966 ( and other years ) model distributor , points , condenser and 12 volt coil can be fitted to the 67 model.-----Save you some money.
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    No telltale Nissan 90hp

    Test in the lake, or a deep bucket with impeller well submerged.
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    Tilt / Trim Motor Torque Specs

    so---35 / 40 inch-lbs.
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