Suzuki GSF650 Service Manual

Engine Cooling System: 1F-17
Impeller / Shaft
Visually inspect the impeller and its shaft for damage.
Replace the impeller or shaft if necessary.
Impeller Shaft Journal
Visually inspect the journal for damage or scratch.
Replace the water pump body if necessary.
Specifications
Service Data
B817H21607001
Thermostat + Radiator + Fan + Coolant
I718H1160015-01 I718H1160027-01
Item Specification Note
Thermostat valve opening temperature Approx. 82 °C (180 °F) —
Thermostat valve it 8 mm (0.31 in) and over at 95 °C (203 °F) —
ECT sensor resistance
20 °C
(68 °F)
Approx. 2.45 kΩ —
50 °C
(122 °F)
Approx. 0.811 kΩ —
80 °C
(176 °F)
Approx. 0.318 kΩ —
110 °C
(230 °F)
Approx. 0.142 kΩ —
Radiator cap valve opening pressure
93 – 123 kPa
(0.93 – 1.23 kgf/cm
2
, 13.2 – 17.5 psi)
—
Cooling fan operating temperature
OFF→ON Approx. 105 °C (221 °F) —
ON→OFF Approx. 100 °C (212 °F) —
Engine coolant type
Use an antifreeze/coolant compatible with aluminum
radiator, mixed with distilled water only, at the ratio of 50:50.
—
Engine coolant
Reserve tank
side
Approx. 250 ml
(0.3/0.2 US/lmp qt)
—
Engine side
Approx. 2 750 ml
(2.9/2.4 US/lmp qt)
—

Suzuki GSF650 Specifications

General

Displacement	656 cc
Bore x Stroke	65.5 mm x 48.7 mm
Compression Ratio	11.5:1
Fuel System	Fuel injection
Ignition	Electronic ignition (transistorized)
Starter	Electric
Transmission	6-speed, constant mesh
Final Drive	Chain
Front Suspension	Telescopic, coil spring, oil damped
Rear Suspension	Link type, coil spring, oil damped
Front Tire	120/70ZR17M/C (58W), tubeless
Rear Tire	160/60ZR17M/C (69W), tubeless
Overall Length	2, 130 mm
Rear Brakes	Disc brake
Fuel Tank Capacity	19.0 L
Wheelbase	1, 470 mm
Seat Height	790 mm
Ground Clearance	135 mm
Engine Type	4-stroke, liquid-cooled, DOHC, 4-cylinder