Speedfight 50 but has 100 engine fitted starts and runs spot on every thing works as it should it has mot but carnt find it u can look on the delay web sit I have the log book in my name it's a 2006 model I had it in a part x for a 125 I had so don't really now any thing else about it apart from it needs a new rev cable that's the only fault I can find no Socrates or scuffs any more info please call 07535695499