Honda CBR 125RW 2007 Owner's Manual page 84

Engine Oil
suggested oil*
Pro Honda GN4 4-stroke oil, or
Honda 4-stroke oil, or an
equivalent motorcycle oil.
API SG or higher
classification except oils
labeled as energy
conserving on the
circular API
service label
viscosity SAE 10W-30
Meighn
JASO T 903 MA
standard
74 Servicing Your Honda
Suggested oils are equal in performance
to SJ oils that are not labeled as energy
conserving on the circular API service
label.