Engine Oil, Filter & Strainer Screen
JASO T 903 standard
The JASO T 903 standard is an index to
choose engine oils for 4-stroke motorcycle
engines.
There are two classes: MA and MB.
Oil conforming to the standard has the
following classification on the oil
container.
(1)
(2)
(1) code number of the sales company
of the oil
(2) oil classification
111
Servicing Your Honda