Diagnostic Under the Flywheel on a Mercury Outboad Motor, Trigger, Stator

Diagnostic Under the Flywheel on a Mercury Outboad Motor, Trigger, Stator

We have been working on this motor that had a miss.It was a recent purchase by the owner so not much running issue history was known. Fuel was running out of…

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federico marin says:

hello I got 50 mercury motor but I don’t know where the 2 yellow wire going
frome the stator.can u help me please….

Adrain Anderson says:

what would cause the trigger to fail? Mine broke while the engine was
running and shut down.

chris mc says:

hello I have a 40 merc 4 cyl at idle position I have spark on all four but
as I increase I lose spark on 172 but kept 3&4 all the way through I have a
miss and very bad power loss

beeroosterm says:

Well? What happened?

ShipShape Marine says:

After replacing the faulty trigger the motor ran great. The trigger was
defective. Thanks Larry

ShipShape Marine says:

If you have the model with the power pack with two reds and two blue (one
set with the white tracers), swap the red with red and white, and blue with
blue and white. If you now lose spark on 3 and 4 at the higher RPM (usually
just at 2600) then you have a stator issue with no output on the high side
of one side of your stator. Replace the stator and all should be good. Larry

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