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I have a 96 225 Johnson venom, some days the motor fires up like its a brand new motor and then the next day it has no spark to any cylinders, then later in the day in may have spark again, so on and so on..can anyone help with this Thank you
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Have your tools ready and access to the back of the ignition switch.
When this "no spark" problem occurs again, remove the black/yellow wire (kill circuit) from the back of the ignition switch. If you now have spark with that wire disconnected BUT no spark if you quickly reattach it... replace the ignition switch as that indicates a intermittent short within the switch.
If the above makes no difference, examine the two large black coils attached to the stator under the flywheel. If either or both of those coils have any goo, a sticky looking substance leaking out of them and perhaps dripping down on the powerhead... that results in a AC voltage drop to the powerpack capacitor that in turn results in weak, erratic, and eventually no ignition. If this is the case, replace the stator.
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