I have searched my problem. Most people say the problem is with the stator. I have tried two different stators and two different cdis, the spark remains thin and weak (yellow/blue). All the parts I have tried are used. I have also tried a different coil, I cut back the plug leads and tried NGK plug boots nothing seems to change the spark quality. This is not my ski trying to help a teenage boy get into stand-ups. He is short on cash so I'm trying not to just throw new electrical parts on trying to chase a problem. Any help will be greatly appreciated.