Suzuki GSF650 Service Manual

Drive Chain / Drive Train / Drive Shaft: 3A-5
• Temporarily tighten the rear sprocket nuts.
NOTE
The stamped mark “C” on the sprocket
should face outside.
• Apply grease to the contacting surface between the
rear wheel hub and the mounting drum.
: Grease 99000–25010 (SUZUKI SUPER
GREASE A or equivalent)
• Tighten the rear sprocket nuts to the specified torque.
Tightening torque
Rear sprocket nut (a): 60 N·m (6.0 kgf-m, 43.5 lbf-
ft)
• Install the rear wheel assembly. Refer to “Rear Wheel
Assembly Removal and Installation (GSF650/S/U/
SUK7) in Section 2D (Page 2D-11)”.
Drive Chain Related Parts Inspection
B817H23106004
Refer to “Rear Sprocket / Rear Sprocket Mounting Drum
Removal and Installation (Page 3A-4)”
Dust Seal
Inspect the sprocket mounting drum dust seal for wear
or damage. If any damage is found, replace the dust
seal with a new one.
Bearing
Inspect the play of the sprocket mounting drum bearings
by hand while they are in the wheel and drum. Rotate
the inner race by hand to inspect for abnormal noise and
smooth rotation. Replace the bearing if there is anything
unusual.
Engine Sprocket and Rear Sprocket
Inspect the sprocket teeth for wear. If they are worn as
shown, replace the engine sprocket, rear sprocket and
drive chain as a set.
“C”
I717H1310019-01
I717H1310020-02
(a)
(a)
I717H1310021-01
“A”: Normal wear “B”: Excessive wear
I717H1310022-01
I649G1310015-02
“A” “B”
I649G1310016-02

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