Honda GL1800 2004 Owner's Manual page 145

Final Drive Oil
Changing Oil
Refer to Saf ety Precautions
RIGHT REAR
Change the oil with the final drive at normal operating temperature to assure
complete and rapid draining.
1. Place the motorcycle on its center stand on a firm, level surface.
2. Place a drain pan under the drain bolt.
3. Remove the oil filler cap and the drain bolt.
4. After the oil has completely drained, check that the sealing washer is in good
condition. Reinstall the drain bolt with its sealing washer (or a new washer, if
necessary) and tighten it to the specified torque:
14 lbf·ft (20 N·m , 2.0 kgf·m)
5.
Fill the final drive with the recommended oil:
4.1 US oz (120 cm )
Make sure the final drive oil level is at the lower edge of the oil filler
inspection hole.
6. Install the oil filler cap.
138
Servicing Your Honda
on page 106 .
drain bolt
oil filler cap
lower edge