Suzuki VZR1800/BZ, Owner'S Manual

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3-4
ENGINE OIL
Use Suzuki genuine engine oil or
equivalent. If Suzuki genuine engine
oil is not available, select a proper
engine oil according to the following
guideline.
Oil quality is a major contributor to
your engine’s performance and life.
Always select good quality engine oil.
Use oil with an API (American Petro-
leum Institute) classification of SG or
higher with a JASO classification of
MA.
API: American Petroleum Institute
JASO: Japanese Automobile Stan-
dards Organization
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. Motor-
cycle and ATV engines lubricate
clutch and transmission gears with
engine oil. JASO T903 specifies per-
formance requirements for motorcy-
cle and ATV clutches and
transmissions.
There are two classes, MA and MB.
The oil container shows the classifica-
tion as follows.
1
Code number of oil sales company
2
Oil classification
SAE API JASO
10W-40 SG or higher MA