Suzuki GSF1200S User Manual

Brake Control System and Diagnosis: 4A-9
Front Brake Master Cylinder Assembly Removal
and Installation
B649G14106028
Removal
1) Drain brake fluid. Refer to “Brake Fluid
Replacement: ”.
2) Disconnect the front brake light switch lead coupler
(1).
3) Place a rag underneath the brake hose union bolt (2)
on the master cylinder to catch any spilt brake fluid.
4) Remove the brake hose union bolt (2) and
disconnect the brake hose.
5) Remove the right rear view mirror. (GSF1200)
6) Remove the master cylinder assembly.
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.
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: ”.
2
1
I649G1410015-01
I649G1410016-01
“a”: Clearance “c”: Up mark
1
2
“B”
(a)
“A”
I649G1410017-02
“A”
“B”
“a”
1
2
“C”
(a)
I649G1410018-02
(b)
I649G1410019-01

Suzuki GSF1200S Specifications

General

Displacement	1157 cc
Bore x Stroke	79.0 mm x 59.0 mm
Compression Ratio	9.5:1
Ignition	Electronic ignition (transistorized)
Transmission	5-speed constant mesh
Front Suspension	Telescopic, coil spring, oil damped
Rear Brakes	Single hydraulic disc
Front Tire	120/70-ZR17
Rear Tire	180/55-ZR17
Overall Width	790 mm (31.1 in)
Seat Height	790 mm (31.1 in)
Lubrication	Wet sump
Final Drive	Chain
Starter	Electric
Engine Type	4-stroke, 4-cylinder, DOHC
Rear Suspension	Link-type, coil spring, oil damped
Front Brakes	Dual disc
Fuel Tank Capacity	20 liters
Rear Suspension Adjustability	Preload adjustable
Ground Clearance	135 mm
Overall Length	2, 130 mm