Suzuki GSF650 Service Manual

4A-9 Brake Control System and Diagnosis:
Front Brake Master Cylinder Components
B817H24106010
Front Brake Master Cylinder Assembly Removal
and Installation
B817H24106011
Removal
1) Drain brake fluid. Refer to “Brake Fluid Replacement
(Page 4A-7)”.
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.
CAUTION
!
The brake fluid reacts chemically with paint,
plastics, rubber materials, etc., and will
damage them severely.
4) Remove the brake hose union bolt (2) and
disconnect the brake hose.
5) Remove the right rear view mirror. (GSF650S)
6) Remove the master cylinder assembly (3).
1
2
3
(a)
6
[B]
[A]
5
(b)
FWD
FWD
7
(c)
8
(c)
9
4
I718H1410070-01
1. Reservoir cap 7. Brake lever : 10 N⋅m (1.0 kgf-m, 7.0 lb-ft)
2. Plate 8. Brake lever pivot bolt : 6 N⋅m (0.6 kgf-m, 4.5 lb-ft)
3. Diaphragm 9. Brake lever pivot bolt lock-nut : Apply brake fluid.
4. Master cylinder [A]: For GSF650 : Apply silicone grease.
5. Piston/Cup set [B]: For GSF650S : Do not reuse.
6. Brake hose union bolt : 23 N⋅m (2.3 kgf-m, 16.5 lb-ft)
1
2
3
I717H1410016-02

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