Fuel And Oil Recommendation; Fuel (For Canada); Fuel (For Other Countries); Engine Oil - Suzuki GSF650S Service Manual

FUEL AND OIL RECOMMENDATION

FUEL (For Canada)

Use only unleaded gasoline of at least 87 pump octane (R/2 + M/2) or 91 octane or higher rated by the
research method.
Gasoline containing MTBE (Methyl Tertiary Butyl Ether), less than 10% ethanol, or less than 5% methanol
with appropriate cosolvents and corrosion inhibitor is permissible.

FUEL (For other countries)

Gasoline used should be graded 91 octane (Research Method) or higher. An unleaded gasoline is recom-
mended.

ENGINE OIL

Oil quality is a major contributor to your engine's performance
and life. Always select good quality engine oil. Use SF/SG or
SH/SJ with JASO MA in API (American Petroleum Institute)
classification.
Suzuki recommends the use of SAE 10W-40 engine oil. If SAE
10W-40 engine oil is not available, select an alternative accord-
ing to the following chart.

BRAKE FLUID

Specification and classification: DOT 4
!
Since the brake system of this motorcycle is filled with a glycol-based brake fluid by the manu-
facturer, do not use or mix different types of fluid such as silicone-based and petroleum-based
fluid for refilling the system, otherwise serious damage will result.
Do not use any brake fluid taken from old or used or unsealed containers.
Never re-use brake fluid left over from a previous servicing, which has been stored for a long
period.

FRONT FORK OIL

Use fork oil #10 or equivalent fork oil.
GENERAL INFORMATION
MULTIGRADE
TEMP.
1-5