Originally Posted by DrkJEDInght
my engine is an 80cc china engine, i got it off ebay... there is a lot of Chinese symbols on the choke and im not sure but i think i could have a defective cdi coil...
Choke handle pulled up. choke on, restricts air flow (general used when starting the engine)
Choke handle pushed down, choke off, max air flow (used when engine warmed up and traveling.
Check out coil and CDI...use a multimeter. Read my link on Engine running problems?