i have a speedfight100 and it does not start (has no spark) i have had the bike running witch i used every day untill it stopped working i have the red and black keys witch was working the light goes out wen switched on i have no idear what is going on with it so please help

dave g, January 2009

i had the same problem change your spark plug and it should work the immoblizer light should go off when key turned

david taylor, January 2009