mini chopper problem

[rivera_129]

hi i just have a mini chopper and it is having trouble running its electric start and it runs for a while after charging then it dies and so does the battery its like its losing charge then it wont start up agin not even by pull starting it what could be the problem its 49cc electric start with pull start mini choppper

[Paint]

Check your spark plug. It should be a light brown / goldish color. This might help:

Good:

http://www.nightrider.com/biketech/spkplghnbook.htm#In

Bad:

http://www.nightrider.com/biketech/images/oil.gif