Honda TRX420FA 2009 Owner's Manual page 224

Specifications
Torque Specification
engine oil drain bolt
engine oil filter cover
bolts
rear final gear case
oil drain bolt
differential oil drain
bolt
wheel nuts
Technical Information
216
18 lbf·ft (25 N·m , 2.5 kgf·m)
9 lbf·ft (12 N·m , 1.2 kgf·m)
9 lbf·ft (12 N·m , 1.2 kgf·m)
9 lbf·ft (12 N·m , 1.2 kgf·m)
47 lbf·ft (64 N·m , 6.5 kgf·m)