When i put my external charger/starter on the battery and set it to START, the green neutral light comes on but pressing the starter button on the atv does nothing. no clicking noise , no starter noise nothing. Fuse is fine, only seems to be the one fuse on this bike that i could find. I am pretty sure it needs a new battery but I would have thought it would start anyway with the charger/starter box i have. What else could be my issue, or do i just need to get a new battery before i go further.