Suzuki SY413 Service Manual page 1704

5-10 BRAKES
BOOSTER ASSEMBLY
The booster is located between the master cylinder and the brake pedal. It is so designed that the force created
when the brake pedal is depressed is mechanically increased combined with the engine vacuum. Its operation is
as follows.
CAUTION:
When and after removing booster, never drop, deform or disassemble it.
[1.8L engine RH model]
[Other than 1.8L engine RH model]
Master cylinder
1. Booster front shell
2. Booster rear shell
3. Operating rod
4. Air cleaner element
5. Air cleaner separator
6. Valve return spring
7. Popet spring retainer
8. Popet spring
9. Plunger plate
10. Plunger valve
11. Valve body
12. Key
13. Diaphragm
14. Reaction disc
15. Diaphragm return spring
16. Push rod
17. Push rod screw
1. Booster No.1 body
2. Booster No.2 body
3. Valve operating rod
4. Air cleaner element
5. Air cleaner separator
6. Air valve spring retainer
7. Air valve return spring
Brake pedal
8. Control valve spring retainer
9. Control valve spring
10. Booster control valve
11. Booster air valve
12. Booster piston
13. Valve stopper key
14. Booster diaphragm
15. Reaction disc
16. Booster piston return spring
17. Booster piston rod
18. Booster rod adjust screw