1. kikan、injin   sprocket   engine   seat   pedal   Hint Half-n-half Clue   2. jou   cable   lock   seat   tire pressure   Half-n-half Clue   3. kusaridome   exhaust pipe   chain   tire   sprocket   Half-n-half Clue   4. outobai、baiku   sprocket   handlebar   horn   motorcycle   Half-n-half Clue   5. kanshouki、shokkuabuso－ba－   spoke   pump   horn   shock absorber   Half-n-half Clue   6. handoru   inner tube   wheel   handlebar   tricycle   Half-n-half Clue   7. fumiita、pedaru   pump   horn   handbrake   pedal   Half-n-half Clue