Bicycle Engine No Spark. I have replaced all these parts 2 times the coil magnito and magnito magnet plus the plug checked all connections added a second ground from motor to bike frame disconnected the kill switch still no spark. Https amzn to 2zcjkte cdi spark boot.
Https amzn to 2zcjkte cdi spark boot. After this it would not start again. When i first installed the motor it ran nice then after about 5 miles it quit no spark.
This is one of the first things you need to do to the cdi unit of your bicycle engine kit before you actually start installing the engine.
Bicycle engine kit cdi troubleshooting tips. When i first installed the motor it ran nice then after about 5 miles it quit no spark. I have a 80cc 2 cycle that will not spark. One day while test driving my bike after changing the chain i depressed the clutch lever and the motor shut off.