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Suzuki GSF650S User Manual

Suzuki GSF650S
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GENERAL INFORMATION 1-5
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
!
FRONT FORK OIL
Use fork oil #10 or equivalent fork oil.
MULTIGRADE
TEMP.
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.

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Suzuki GSF650S Specifications

General IconGeneral
Engine Type4-stroke, 4-cylinder, liquid-cooled, DOHC
Bore x Stroke65.5 mm x 48.7 mm
Compression Ratio11.5:1
Fuel SystemFuel injection
IgnitionElectronic ignition (transistorized)
Transmission6-speed constant mesh
Final DriveChain
Front SuspensionTelescopic, coil spring, oil damped
Rear SuspensionLink type, coil spring, oil damped
Displacement656 cm³
Front BrakesDisc
Rear BrakesDisc
Front Tire120/70ZR17
Rear Tire160/60ZR17
Fuel Tank Capacity19 liters
Seat Height790 mm

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