spark loss

Alabamed

Cadet
Joined
Apr 21, 2013
Messages
12
1991 FORCE 50 I have no spark when not at full throttle, so will not start. Have already replaced CDI, stator and trigger and plugs. The voltage at trigger and stator is strong and stays constant thru movement of timing from idle to full throttle.The question is, what could possibly be causing this" spark only" at full throttle condition?
 
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