Suzuki GSF650 Service Manual

5B-12 Manual Transmission:
Gearshift Fork Groove Width
Measure the gearshift fork groove width using the
vernier calipers.
Special tool
(A): 09900–20102 (Vernier calipers (1/20 mm,
200 mm))
Gearshift fork groove width
Standard (No.1, No.2 & No.3): 5.0 – 5.1 mm (0.197 –
0.201 in)
Gearshift Fork Thickness
Measure the gearshift fork thickness using the vernier
calipers.
Special tool
(A): 09900–20102 (Vernier calipers (1/20 mm,
200 mm))
Gearshift fork thickness
Standard (No.1, No.2 & No.3): 4.8 – 4.9 mm (0.189 –
0.193 in)
Gearshift Cam Bearing
Inspect the gearshift cam bearings, left and right for
abnormal noise and smooth rotation.
Replace the bearing if there is anything unusual. Refer
to “Transmission Removal (Page 5B-2)” and
“Transmission Installation (Page 5B-5)”.
Gear Position Switch Inspection
B817H25206007
Refer to “Side-stand / Ignition Interlock System Parts
Inspection in Section 1I (Page 1I-8)”.
Gear Position Switch Removal and Installation
B817H25206008
Refer to “Electrical Components Location in Section 0A
(Page 0A-10)”.
Refer to “Wiring Harness Routing Diagram (GSF650/S/
A/SAK7) in Section 9A (Page 9A-8)”.
Removal
1) Turn the ignition switch OFF.
2) Remove the left flame cover. Refer to “Exterior Parts
Removal and Installation (GSF650/S/A/SAK7) in
Section 9D (Page 9D-6)”.
3) Remove the engine sprocket outer cover. Refer to
“Engine Sprocket Removal and Installation in
Section 3A (Page 3A-2)”.
4) Disconnect the gear position switch coupler (1).
(A)
I649G1520057-03
(A)
I649G1520058-03
I718H1520041-01
1
I717H1520018-01

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