(4)Ignition system:
1.the wiring or ignition
2.check spark plug.
3.Check H.V. cable and H.V. coil.
Check with CDI tester, follow the instruction manual.
4.check CDI sets.
Check with CDI tester and follow the instruction manual.
If CDI test failed, please change a new one.
Spark plug
Ignition coil
CDI