Suzuki GSF1250 Service Manual

4B-7 Front Brakes:
Front Brake Disc Removal and Installation
B718H14206007
Removal
1) Remove the front wheel assembly. Refer to “Front
Wheel Assembly Removal and Installation in Section
2D (Page 2D-6)”.
2) Remove the front brake disc.
Installation
Install the front brake disc in the reverse order of
removal. Pay attention to the following points:
• Make sure that the brake discs are clean and free of
any grease.
• Apply thread lock to the brake disc bolts and tighten
them to the specified torque.
: Thread lock cement 99000–32130 (Thread
Lock Cement Super 1360 or equivalent)
Tightening torque
Brake disc bolt (a): 23 N·m (2.3 kgf-m, 16.5 lb-ft)
Front Brake Disc Inspection
B718H14206008
Brake Disc Thickness
Check the brake disc for damage or cracks and measure
the thickness using the micrometer.
Replace the brake disc if the thickness is less than the
service limit or if defect is found.
Special tool
(A): 09900–20205 (Micrometer (0 – 25 mm))
Brake disc thickness
Service limit (Front): 4.5 mm (0.18 in)
Brake Disc Runout
1) Dismount the front brake caliper. Refer to “Front
Brake Caliper Removal and Installation (Page 4B-
3)”.
2) Measure the runout using the dial gauge.
Replace the disc if the runout exceeds the service
limit.
Special tool
(A): 09900–20607 (Dial gauge (1/100 mm, 10
mm))
: 09900–20701 (Magnetic stand)
Brake disc runout
Service limit: 0.30 mm (0.012 in)
3) Remount the front brake caliper. Refer to “Front
Brake Caliper Removal and Installation (Page 4B-
3)”.
I718H1420016-01
(a)
(a)
I718H1420017-01
(A)
I649G1420019-03
(A)
I649G1420020-03

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