Thanks guys for all your info, every time i post a question you are always their with advice.

In my opinion their must be a secondary winding inside the motor that would step down the voltage to 400vdc because every kill switch uses normal 16 gauge wire rated for 600v. I will just take a chance and measure it

thanks alot guys here is the link i read that from ground to to the spark plug their is 30000 volts.

http://www.jetav8r.com/Vision/Ignition/CDI.html