Re: sluggish on accell 200hp johnson
the goop from the stator is the potting material OMC used my guess was to help protect the coils from weather or moisture, my experience in the electronics world is anything potted never lasts, heat has a hard time escaping eventually causing component failure, in the stator ignition coils there are windings of enamal coated wire just like on the many charging coils of your stator, the ignition coils are potted however "to protect them" and they can hold in tremendous amounts of heat that cannot be disappated, over time the molecular structure of the potting material breaks down and just turns too a sticky ooz because of the constant heating and over heating, and will forever now melt away, which does not mean the coils are bad but they have been heat stressed to the point that the enamal coating on the windings can now start breaking down causing those windings to short agaist each other lessening the resistance value "if they are not around 850-1000 ohms" they are done...You can check for broken wires through ohm checks of your stator coils from the connectors, look for that 850-1000 ohm value across the brown wires of each coil, and check the low voltage coil in the front aswell this one should be 90-100 ohms, I believe the pack uses this coil to generate the logic voltage for the internal components of the pack which is regulated and rectified in the pack but I'm guessing on that one. next you may have to use a peak reading digital volt meter or a analog meter but I would check the voltage output on your packs orange wires going to your ignition coils while cranking the engine over make sure your peak volts are in range, remember coils are like voltage multipliers low voltage higher current in, high voltage lower current out,voltage is the force behind the flow of current, you can have all the current avail in the world, but with minimal voltage to push it it goes nowhere, the coils take the 100-130volts from the pack turn it into a few thousand volts to drive the current across the spark plug gap towards ground, which would lead me to ask is the engine turning over fast enough to generate that intitial source voltage? just a note I changed my pack out to a CDI a while back, which has just died for some reason, but the 2 connectors that connected to the timer base were reversed on the CDI pack, I made the assumption that the connector assembly toward the right went to the leads that came from the right and left to left, because thats how the OEM pack seemed to be, I was wrong, she spuddered back fired choked and spit....swapped them and all was good, crappy CDI design I guess. sorry for the long wind, you and I have very similar motors so I'm very interested as to what you find!!!!! we all learn from each other here!
