Jaso T903; Energy Conserving - Suzuki GSX1300BK Owner's Manual

JASO T903

The JASO T903 standard is an index to
select engine oils for 4-stroke motorcycle
and ATV engines. Motorcycle and ATV
engines lubricate clutch and transmission
gears with engine oil. JASO T903 specifies
performance requirements for motorcycle
and ATV clutches and transmissions.
There are two classes, MA and MB. The oil
container shows the classification as fol-
lows.
1
Code number of oil sales company
2
Oil classification

Energy Conserving

Suzuki does not recommend the use of
"ENERGY CONSERVING"
engine oils which have an API classification
of SH or higher have an "ENERGY CON-
SERVING" indication in the API classifica-
tion doughnut mark. These oils can affect
engine life and clutch performance.
SAE
10W-40
Not recommended
3-5
oils. Some
SAE
10W-40
Recommended