Still stuck with with no spark

[Merccoper]

Slowly making my way through the elimination process but still no spark.

- Checked all plugs (using an inline spark tester).
- Stator ohm’s tests ok (however, a new stator was installed at the direction of the mechanic (and that's another story!!!)).
- Switch Box (new box installed).
- Trigger ohm’s tests ok.
- Each Ignition coil ohm’s tests ok.
- Ignition key switch tests ok (I tested this by disconnecting the wire harness at the engine). I guess there is a small chance of a wire issue beyond the harness into the engine)
- No Mercury tilt stop switch. There is a black/yellow wire from the wire harness to the switch box but no wire from that to a tilt switch (there was a wire that was caped off but I have removed it entirely.

So, I'm stuck again. Not sure where to turn to now.

Once again, any help is very much appreciated !!!!

 

[Dave1027]

Did you try it with the black/yellow wire disconnected from the switchbox?

 

[Merccoper]

Did you try it with the black/yellow wire disconnected from the switchbox?

Yup, tried that. Thanks for the suggestion.
I’m starting to think it’s something simple. I’ve done a bunch of research, but nothing else seems to be coming up.

 

[Dave1027]

Maybe try hooking a volt meter on the AC scale to the trigger leads and spin the flywheel with the starter just to see if you get anything. Just thinking maybe there is something wrong with the flywheel magnets?

 

[Merccoper]

Maybe try hooking a volt meter on the AC scale to the trigger leads and spin the flywheel with the starter just to see if you get anything. Just thinking maybe there is something wrong with the flywheel magnets?

Hmm, that’s an idea. I guess that would be the two yellow leads?

 

[Dave1027]

Hmm, that’s an idea. I guess that would be the two yellow leads?

No. The yellow leads are the charging circuit from the stator. Trigger leads are probably brown, white, purple and wht/blk. I'm not sure which leads to connect to.

 

[racerone]

I am not there to see or hear your motor.----Do the following.----Charge the battery.-----Load test the battery.----Take starter apart for inspection and ohm test.-----If the motor cranks slow there will be no spark !