Suzuki GSF650 Service Manual

Starting System: 1I-6
Commutator
Inspect the commutator for discoloration, abnormal wear
or undercut “A”.
If the commutator is abnormally worn, replace the
armature.
If the commutator surface is discolored, polish it with
#400 sandpaper and wipe it using a clean, dry cloth.
If there is no undercut, scrape out the insulator (1) with a
saw blade.
Armature Coil
Measure for continuity between each segment. Measure
for continuity between each segment and the armature
shaft.
If there is no continuity between the segments or there is
continuity between the segments and shaft, replace the
armature with a new one.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Continuity set ( )
Oil Seal
Check the seal lip for damage.
If any damage is found, replace the housing end
(Inside).
Starter Relay Removal and Installation
B817H21906005
Refer to “Electrical Components Location in Section 0A
(Page 0A-10)”.
Removal
1) Turn the ignition switch OFF position.
2) Remove the seat. Refer to “Exterior Parts Removal
and Installation (GSF650/S/A/SAK7) in Section 9D
(Page 9D-6)”.
3) Disconnect the battery (–) lead wire from the battery.
4) Disconnect the starter relay coupler (1) and remove
the starter relay cover (2).
5) Disconnect the starter motor lead wire (3) and
battery (+) lead wire (4).
6) Remove the starter relay (5).
Installation
Install the starter relay in the reverse order of removal.
1
“A”
I649G1190016-02
?
(A)
I717H1190011-02
I717H1190012-01
1
2
I717H1190013-01
3
5
4
I717H1190014-01

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