Honda ARX1500T3DX Owner's Manual page 174

Engine Oil & Filter
Other viscosities shown in the following chart
may be used when the average temperature in
your riding area is within the indicated range.
166
Servicing Your Honda
JASO T 903 Standard
The JASO T 903 standard is an index for
engine oils for 4-stroke motorcycle engines.
There are two classes: MA and MB.
Oil conforming to the standard is labeled on
the oil container. For example, the following
label shows the MA classification.
MA
PRODUCT MEETING JASO T 903
COMPANY GUARANTEEING THIS MA PERFORMANCE:
(1) code number of the sales company of the oil
(2) oil classification
(1)
(2)