Suzuki GSF650 Service Manual

1D-36 Engine Mechanical:
Camshaft Sprocket Inspection
B817H21406021
Inspect the camshaft sprocket in the following
procedures:
1) Remove the intake and exhaust camshafts. Refer to
“Engine Top Side Disassembly (Page 1D-24)”.
2) Inspect the teeth of each camshaft sprocket for wear
or damage.
If they are worn or damaged, replace the sprockets
and cam chain as a set.
3) Install the camshafts. Refer to “Engine Top Side
Assembly (Page 1D-26)”.
Camshaft Sprocket Removal and Installation
B817H21406022
Removal
1) Remove the camshafts. Refer to “Engine Top Side
Disassembly (Page 1D-24)”.
2) Remove the camshaft sprockets (1).
Installation
1) Set the camshaft sprocket to the camshafts.
NOTE
Align the arrow mark “3” on camshaft
sprocket with the notch “A” on the camshaft.
2) Apply THREAD LOCK SUPER to the threads of the
camshaft sprocket bolts and then tighten them to the
specified torque.
: Thread lock cement 99000–32030 (Thread
Lock Cement Super 1303 or equivalent)
Tightening torque
Camshaft sprocket bolt (Initial): 16 N·m (1.6 kgf-
m, 11.5 lbf-ft)
Camshaft sprocket bolt (Final): 25 N·m (2.5 kgf-
m, 18.0 lbf-ft)
3) Install the camshafts. Refer to “Engine Top Side
Assembly (Page 1D-26)”.
Cam Chain Tension Adjuster Inspection
B817H21406023
The cam chain tension adjuster is maintained at the
proper tension by an automatically adjusted.
1) Remove the cam chain tension adjuster. Refer to
“Engine Top Side Disassembly (Page 1D-24)”.
I717H1140101-02
1
I717H1140102-02
3
3
3
3
“A”
“A”
IN.
IN.
EX.
EX.
I717H1140217-01
I717H1140103-02

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