just bought used 07 rev (x) elec start and no rev,Why?can it be changed to have reverse?how difficult is it to change?im assuming it was snochecked that way,waiting for the original owner to call back,he lives in yakima and traded it to pacific boatland in vancouver.if your out there,its red white and black 159 w/challenger lt,premiere power sports in idaho did the 08 bottom end up grade in jan.09 says for warranty on the receipt.thanks