Jaso T 903 Standard - Honda CRF110F 2019 Owner's Manual

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.
(1)
(2)
(1) Oil code
(2) Oil classification
69