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    BIA Prop Rating Question

    Some companies started promoting the concept of propshaft horsepower.----Others followed suit.---A 1976 model would not be prop rated.
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    1972 Mercury 500 50 HP

    Remove the ONE wire ( gray ) from the magneto.----Now test for spark.----Do not apply 12 volts to this magneto.----Any smoke resulting from that will be expensive.----The magneto does not need 12 volts to make spark.
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    Starter Issues on Mercury 115

    Get battery load tested first.----Battery wires hooked up properly ?
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    1972 Mercury 500 50 HP

    The coil is INSIDE that magneto assembly !!----An elegantly simple / reliable device it is.-----You have to learn how to work on this machine as you will be shocked at the cost of work at a shop !!
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    Tohatsu 9.8 HP Revival.-

    ?---Throttle plates are CLOSED at idle.-----And on many 2 stroke outboards there is a balance passageway between carburetor throats / cylinders.----How does the --" super tuner " ---deal with that?
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    1980 mercury 50 hp 2 stroke 4 cylinder won't fire

    First thing I would do is charge the battery and have it load tested.----Costs no coins.
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    1972 Mercury 500 50 HP

    ---The drive belt is not broken ?----Follow the wire from the cap to the coil.----It may not look like a traditional coil.-----Then again perhaps the distributor was replaced with a magneto from an earlier motor and the coil is inside.----Or the block was replaced.-----Bring it over or post some...
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    1998 90HP Evinrude Problems!

    Very easy to remove water pump.----Then the bearing housing below the water pump.----Inspection / condition of the thrust bearing tells a lot about lower unit condition.---At least in my opinion !
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    2007 15 hp 2 stroke carburetor

    Don't these motors have a full throttle stop screw and an idle stop screw on the motor ?----Look for them on the arm, starboard side of motor block.
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    1986 178xl chapparal cc

    The controls / console up front just gives a commercial operator more room for fishing.-----Storage of lobster traps or crab pots.----I know of locals that want tillers on big motors ( no console at all ) so they have more room for fish boxes.
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    83 johnson 140 controls

    At one time they just used long screws to do that job.-----Some would come loose from vibration.-----I guess the long screws worked better if there actually was wood used in that area.----Not all boats are built the same.----So the screw with a nut was used.
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    1986 Mercury 75hp Mod.

    I had an old Evinrude Big Twin with home made " trumpet exhaust " ------One day I let a friend drive the boat.-------I could not believe the amount of noise coming out of that engine.----Was not that bad when you were in the boat.-----I took that set-up off the next day.-----Still have it...
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    82 johnson 140

    A leak down test measure air leakage out of the cylinder.----You put air pressure in through sparkplug hole.----You determine how much air needs to be added as air leaks out.-----On a 4 stroke air leaks past rings , valves and head gasket.----On a 2 stroke air leaks past rings or head gasket (...
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    1986 Mercury 75hp Mod.

    That used to be an 85 HP then changed to propshaft rating at 75 HP.
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    82 johnson 140

    The failure occurs in # 1 , 2 , 3 and # 4.----Come over and I can show you numerous examples !-----In my opinion it is the design of the piston ring.----Draw a picture of the upper ring in its groove.------Then draw the picture again , adding clearances in a worn cylinder , worn ring , worn...
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    Tohatsu 9.8 HP Revival.-

    I believe you mis-understand the concept of this vacuum gauge.----It works on 4 stroke motors.----It is not used on 2 stroke motors !!
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    Optimax Rebuild

    One caution for you.-----You have to determine why the failure occurred !!----Or you will / might have to rebuild again soon after you fire it up.------You must check the ECU and sensors.------Myself I would not rebuild one of those motors !!
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    150 gt popping when cold

    Sorry -----As stated this --" lean sneeze " -----Is not well understood.-----It has nothing to do with the starting ability of the motor.----There are other things to be concerned about on that motor.----You have installed a new water pump impeller ?----Done a compression test for future...
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    150 gt popping when cold

    Many 2 stroke behave like this when cold.------It is called ---" lean sneeze "-----And it is not a well understood concept as you will find in your searching for a fix.
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    Tohatsu 9.8 HP Revival.-

    The video shows the gauge used on a ----4 stroke motor------Hard to use that unit on a 2 stroke !!!-----It seems some folks insist that this procedure can be / should be done on a 2 stroke.----I do not know why that is so !
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