Honda 2012 TRX420TM Owner's Manual page 105

Maintenance Component Locations
owner's manual
air pressure gauge
spark plug
clutch
engine oil fill cap/dipstick
engine oil drain bolt
battery
fuse box
main fuse
PS fuse (TRX420FPM only)
gear case oil fill cap
gear case oil drain bolt
rear suspension
spring pre-load adjuster
(Except TRX420TM)
Servicing Your Honda
tool kit
spark arrester
97