Suzuki GSF1250 Service Manual

4A-15 Brake Control System and Diagnosis:
Installation
Install the front brake master cylinder in the reverse
order of removal. Pay attention to the following points:
• When installing the master cylinder (1) onto the
handlebars (2), align the master cylinder holder’s
mating surface “A” with the punch mark “B” on the
handlebars (2) and tighten the upper holder bolt first.
Refer to “Handlebar Construction in Section 6B
(Page 6B-2)”.
Tightening torque
Master cylinder holder bolt (Upper and Lower)
(a): 10 N·m (1.0 kgf-m, 7.0 lb-ft)
• After setting the brake hose union to the stopper,
tighten the union bolt to the specified torque.
CAUTION
!
The seal washers should be replaced with the
new ones to prevent fluid leakage.
Tightening torque
Brake hose union bolt (b): 23 N·m (2.3 kgf-m, 16.5
lb-ft)
• Bleed air from the brake system. Refer to “Air
Bleeding from Brake Fluid Circuit (Page 4A-8)”.
Front Brake Master Cylinder / Brake Lever
Disassembly and Assembly
B718H14106013
Refer to “Front Brake Master Cylinder Assembly
Removal and Installation (Page 4A-14)”.
Disassembly
1) Remove the brake lever (1) and brake light switch
(2).
“C”: Up mark “a”: Clearance
(a)
2
“C”
1
“B”
“A”
I718H1410051-04
1
2
“C”
(a)
(a)
“B”
“A”
“a”
I718H1410072-01
(b)
I718H1410050-03
1
2
I718H1410052-01

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