Suzuki GSF1250 Service Manual

1D-38 Engine Mechanical:
Camshaft Sprocket Inspection
B718H11406010
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-28)”.
Camshaft Sprocket Removal and Installation
B718H11406011
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 lb-ft)
Camshaft sprocket bolt (Final): 25 N·m (2.5 kgf-
m, 18.0 lb-ft)
3) Install the camshafts. Refer to “Engine Top Side
Assembly (Page 1D-28)”.
I718H1140087-01
1
I718H1140088-02
3
3
3
3
“A”
“A”
IN.
IN.
EX.
EX.
I718H1140089-02
I718H1140090-02

Suzuki GSF1250 Specifications

General

Displacement	1255 cc
Bore x Stroke	79.0 mm x 64.0 mm
Compression Ratio	10.5:1
Fuel System	Fuel injection
Transmission	6-speed, constant mesh
Front Suspension	Telescopic, coil spring, oil damped
Rear Suspension	Link type, coil spring, oil damped
Front Brakes	Dual hydraulic disc
Rear Brakes	Single hydraulic disc
Front Tire	120/70ZR17M/C (58W), tubeless
Rear Tire	180/55ZR17M/C (73W), tubeless
Overall Length	2130 mm
Overall Width	790 mm
Seat Height	805 mm
Wheelbase	1485 mm
Fuel Tank Capacity	19.0 L
Starter	Electric
Final Drive	Chain
Ignition	Electronic ignition (transistorized)
Engine Type	4-stroke, liquid-cooled, DOHC
Ground Clearance	135 mm