Honda TRX420FA1 Owner's Manual page 171

14 TRX420FA1 FA2-32HR3B000.book 163 ページ ２０１３年９月６日 金曜日 午後１時５７分
NOTICE
An improperly tightened spark plug can damage the engine. If a
plug is too loose, a piston may be damaged. If a plug is too tight, the
threads may be damaged.
10. Connect the spark plug cap. Take care to avoid pinching any
cables or wires.
11. Install the remaining parts in the reverse order of removal.
Spark Plug
Servicing Your Honda
163