Suzuki GSF650 Service Manual

1F-12 Engine Cooling System:
Water Pump Construction
B817H21606016
Water Pump Removal and Installation
B817H21606017
Removal
NOTE
Before draining engine oil and engine
coolant, inspect engine oil and coolant
leakage between the water pump and
crankcase. If engine oil is leaking, visually
inspect the oil seal and O-ring. If engine
coolant is leaking, visually inspect the
mechanical seal and seal washer. Refer to
“Water Pump Related Parts Inspection
(Page 1F-16)”.
1) Drain 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)”.
2) Remove the engine sprocket covers, outer and
inner. Refer to “Engine Sprocket Removal and
Installation in Section 3A (Page 3A-2)”.
3) Disconnect the water pump inlet hose (1).
4) Remove the water pump (1).
Installation
Install the water pump in the reverse order of removal.
Pay attention to the following points:
• Apply GREASE to the O-ring.
CAUTION
!
Replace the O-ring with the a new one.
: Grease 99000–25010 (SUZUKI SUPER
GREASE A or equivalent)
1
2
3
5
4
(a)
6
I718H1160052-02
1. Impeller 4. Oil pump drive chain : 8 N⋅m (0.8 kgf-n, 6.0 Ib-ft) : Do not reuse.
2. Mechanical seal 5. Oil pump : Apply grease.
3. Oil seal 6. Oil pump driven sprocket : Apply engine coolant.
1
I717H1160022-01
1
I717H1160023-02

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