wherein an engagement control for the neutral control clutch is changed in accordance with a length of time of {HEAD ~ a control} executed by {TAIL ~ the neutral control unit} 
wherein an engagement control for the neutral control clutch is changed in accordance with a length of time of { HEAD ~ a control } executed by { TAIL ~ the neutral control unit }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL