Honda CB 1100 2017 Owner's Manual page 56

Maintenance Fundamentals
*2. The SAE standard grades oils by their viscosity.
*3. The API classification specifies the quality and
performance rating of engine oils. Use SG or
higher oils, excluding oils marked as "Energy
Conserving" or "Resource Conserving" on the
circular API service symbol.
Not recommended Recommended
54
Oil code
Oil classification
Brake Fluid (Clutch Fluid)
Do not add or replace brake fluid, except in an
emergency. Use only fresh brake fluid from a
sealed container. If you do add fluid, have the
brake and clutch system serviced by your dealer
as soon as possible.
NOTICE
Brake fluid can damage plastic and painted surfaces.
Wipe up spills immediately and wash thoroughly.
Recommended brake fluid:
Honda DOT 4 Brake Fluid or equivalent
WARNING
3
Clean filler cap before removing. Use
only DOT 4 fluid from a sealed
container.