Honda 2009 CBR1000RR Owner's Manual page 137

Coolant
Removing the radiator cap while
the engine is hot can cause the
coolant to spray out, seriously
scalding you.
Always let the engine and radiator
cool down before removing the
radiator cap.
To properly dispose of drained coolant,
refer to You & the Environment,
page 188 .
128
Servicing Your Honda
Improper disposal of drained f luids is
harmf ul to the environment.