Suzuki GSF650 Service Manual

Engine Cooling System: 1F-13
• Install the water pump assembly with the slot on the
pump shaft end “A” securely engaged with the flat “B”
on the oil pump shaft.
• Tighten the water pump mounting bolts to the
specified torque.
Tightening torque
Water pump mounting bolt (a): 10 N·m (1.0 kgf-
m, 7.0 lbf-ft)
• Connect the water hoses securely. Refer to “Water
Hose Routing Diagram (Page 1F-3)”.
• Pour engine oil and coolant. Refer to “Engine Oil and
Filter Replacement in Section 0B (Page 0B-12)” and
“Cooling System Inspection in Section 0B (Page 0B-
14)”.
• Bleed air from the cooling circuit. Refer to “Cooling
System Inspection in Section 0B (Page 0B-14)”.
Water Pump Disassembly and Assembly
B817H21606018
Refer to “Water Pump Removal and Installation
(Page 1F-12)”.
Disassembly
1) Remove the air rent bolt (1) if necessary.
2) Remove the water pump case (2).
3) Remove the O-ring (3).
4) Remove the impeller securing bolt by holding the
impeller with a water pump pliers.
5) Remove the mechanical seal ring (4) and rubber
seal (5) from the impeller (3).
“A”
“B”
I717H1160024-01
(a)
I717H1160025-01
1
2
I718H1160054-01
3
I718H1160012-01
3
5
4
I718H1160013-01

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