1969 merc 200 20hp phelon flywheel magneto no fire

bktheking said:

I"m working a 62 60 6 hp right now, same mag as you , no spark, new points condensors- coils ohm perfectly. No stop in the equation, i'm puzzled too- i'm still working on it.

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rodbolt said:

best I recall the phelon ign worked backwards from almost anything. it OPENED the circuit to kill it.
will have to find my manual but best I remember thats how the kill system worked on the phelon system.
was an early attempt at a low tension ADI style ign with points.
I think it was also called a phase-maker at one point.
gonna go help a friend pull a net so Ill be gone for a bit.
but I saw the manual recently while moving some stuff.
havent seen an engine with that system in close to 20 years.
luckily here in the salt pond they all dissolved away.

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bktheking said:

My motor does not have a stator, just coils points and condensors. I figured it out, both coils are shot, i'm getting spark but no jump, I can hold the wires with my hand , rotate the flywheel and feel a small jolt. If you're motor has points, condensors and a stator with no powerpack it's phase maker. Yes you can test the stator, the green wire puts out 450+volts when cranked, you will need a DVA to test. Disconnect the green wire and test with the meter, just be careful, it's a high volt ignition system.

I rechecked the readings on the coil online, lower that what I was reading.

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rodbolt said:

best I recall the phelon ign worked backwards from almost anything. it OPENED the circuit to kill it.
will have to find my manual but best I remember thats how the kill system worked on the phelon system.
was an early attempt at a low tension ADI style ign with points.
I think it was also called a phase-maker at one point.
gonna go help a friend pull a net so Ill be gone for a bit.
but I saw the manual recently while moving some stuff.
havent seen an engine with that system in close to 20 years.
luckily here in the salt pond they all dissolved away.

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bktheking said:

There has to be wires going from the stator to the coils , 1 green and 1 salmon for the kill circuit. What is the serial number of the motor, may not have a stator at all but if it's phase maker it sure does.

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bktheking said:

So- question, are the coils external at the back of the powerhead or are they under the flywheel. According to the merc parts site the coils are under the flywheel, according to CDI, 1970 models had the coils at the back of the motor.

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bktheking said:

Then it's not phase maker, hmmm. You may want to logon to John's Old Mercury Website and post the issue. If it's got a stator but points and coils is it electric start?

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Laddies said:

Woodchucker, you have a simple magneto system just as you said in the first post it grounds off by the stop button shorting the 2 sets of points together so if the switch is damaged just disconnect it at the junction block on the side od the engine. Use a OHM meter to check the point and wires to the stator from the junction block for shorts here's a wiring diagram to help. For a non electric engine disregard the electric start part of harness.

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