elsabella Posted December 28, 2011 Share Posted December 28, 2011 Yamaha rd250 1974. I'm getting a weak spark from one plug but not the other. Weak enough not to fire that cylinder. If i switch the coils around, the strong spark switche's to the oppisite side. I replaced the points, condenser, coils and new battery. Just cant seem to figure this one out? Could this be a problem with the rectifier and or voltage regulator? Link to comment Share on other sites More sharing options...
Moderator DirtyDT Posted December 28, 2011 Moderator Share Posted December 28, 2011 Lots of 2 stroke lovers on this forum but please read this Link to comment Share on other sites More sharing options...
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