hi, i joined today & was going td ask the very same question, mine started doing this last wk 4 the 1st time.it seams my batterie is good because it recovers after a few mins to enable me to go a few more miles . ive cq ,ed it with a meter £ theres charge going to the batterie . im now thinking theres a short circuit somewhere . tell me if u find the reason or is it a known fault