Honda GOLDWING GL1800/A 2015 Owner's Manual page 160

If you do not feel capable of performing a given task or need assistance,
remember that your Honda dealer knows your motorcycle best and is fully
equipped to maintain and repair it. If you decide to do your own maintenance,
use only Honda Genuine Parts or their equivalents for repair or replacement to
ensure the best quality and reliability.
Perform the pre-ride inspection
each scheduled maintenance period.
The following items require some mechanical knowledge. Certain items
(particularly those marked * and **) may require more technical information
and tools. Consult your dealer.
* Should be serviced by your dealer, unless you have the proper tools and
service data and are mechanically qualified. Refer to the official Honda
Service Manual
** In the interest of safety, we recommend these items be serviced only by your
dealer.
Summary of Maintenance Schedule Notes
& Procedures:
NOTES:
1. At higher odometer readings, repeat at the frequency interval established
here.
2. Service more frequently if the motorcycle is ridden in unusually wet or dusty
areas.
3. Service more frequently if the motorcycle is ridden often at full throttle or in
the rain.
4. Service more frequently if noisy.
5. Replace every 2 years, or at indicated odometer interval, whichever comes
first. Replacement requires mechanical skill.
6. Replace at 4,000 mi (6,400 km) or 6 months, then every 8,000 mi (12,800
km) or 12 months.
Maintenance Procedures:
I: inspect and clean, adjust, lubricate,
or replace, if necessary
C: clean
A: adjust
L: lubricate
R: replace
(page
(page 270).
Maintenance Schedule
47) and owner maintenance
Servicing Your Honda
(page 158) at
157