{HEAD ~ A reverse drive gear 22a} is formed on {TAIL ~ the input shaft} 8 and a driven gear 22b is formed on one side of a sleeve of the synchronizing device 21 
{ HEAD ~ A reverse drive gear 22a } is formed on { TAIL ~ the input shaft } 8 and a driven gear 22b is formed on one side of a sleeve of the synchronizing device 21
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH