Honda GL1800 2004 Owner's Manual page 147

Clutch System
Fluid Level Inspection
Refer to Saf ety Precautions
LEFT HANDLEBAR
Check that the fluid level is above the LOWER level mark. If the fluid level is
below the LOWER level mark, it indicates fluid leakage. See your Honda dealer
for repair.
Other Inspections
Make sure there are no fluid leaks.
Check for deterioration or cracks in the hose and fittings.
Check that the clutch lever assembly is positioned properly and the securing
bolts are tight.
140
Servicing Your Honda
on page 106 .
LOWER level mark