I bought mine brand new last year ,I had to ghange the rear wheel a month ago .And to day I was riding ,and have been riding in a wery wet wether and suddenly it died on me ,and came to life 2 or 3 times and then it was of ,had to walk with it home it wouldnt start no more has any one had this problem the spark plug is about 2 month old .I have ride it alot since I got it.