Honda Goldwing GL1100 Interstate 1981 Owner's Manual page 84

*
Use only DOT 3 brake fluid from a
sealed can tainer.
*
Handle brake fluid with care because it
can damage paint and plastics as used
for instrument lenses and fairings.
*
Never allow contaminants (dirt, water,
etc.) to enter the brake fluid reservoir.
Rear Brake Fluid Level:
Remove the reservoir cap, washer and
diaphragm. Whenever the level is lower
than the lower level mark (4) on the rear
reservoir, fill the reservoir with DOT 3
BRAKE FLUID from a sealed container,
up to the upper level mark (3). Re.install
the diaphragm and washer, and tighten
the reservoir cap
securely~
78
CAUTION:
*
Use only DOT 3 brake flUid from,
sealed container.
*
Handle brake flUid with care because
It
can damage paint and electric wirel,
*
Never allow contaminants (dirt, water
etc.) to enter the brake flUid reservoir.