speedfight 2 has totaly stoped working no electic and dosent even start?

i have a speedfight 2 that didnt start at all and now it has no electricity going to it at all, i have put my friends battery in my ped and it was trying to start and when we tried it again it has no battery going to it and it dose not start, i have put a new spark in and i have charged the battery but no power gos to the moped please someone help me out i am desperat to get it sorted out please can someone help me!