Suzuki GSF1200SK6 Setup Manual page 27

SAE API
10W-40 SF or SG
10W-40 SH or SJ
API: American Petroleum Institute
JASO: Japanese Automobile Standards Organization
ENGINE OIL VISCOSITY RATING SELECTION CHART
ENGINE OIL
˚C
-30 -20 -10
TEMP.
˚F
-22 -4
JASO
–
MA
20W - 50
15W - 40 15W - 50
10W - 40 10W - 50
10W - 30
0 10 20 30 40
14 32 50 68 86 104
Engine oil
Oil quality is a major contributor to your engine's per-
formance and life.
Always select good quality engine oil.
Use SF/SG or SH/SJ in API (American Petroleum
Institute) classification, with MA in JASO.
SAE Engine Oil Viscosity
Suzuki recommends the use of SAE 10W-40 engine
oil.
If SAE 10W-40 engine oil is not available, select an
alternative according to the following chart.
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 transmission.
There are two classes, MA and MB.
The oil container has following classification for con-
firming the standard.
A: Code number of oil sales company
B: Oil classification
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