Removal
- Remove the rear brake calliper.
- Remove the brake disc and the hub from the
wheel axle
- To remove the brake disc from the hub, hold the
unit firmly with a vice and operate on the 5 fixing
screws indicated in the photograph
Refitting
- To reassemble the brake disc on the hub, carry out the removal operations in the reverse order ar-
ranging the brake disc on the hub on the side opposite the wheel keying
- Follow the direction of rotation shown by the arrow and tighten to the prescribed torque.
- Fit the hub unit
- disc in the wheel axle
Locking torques (N*m)
Disk to the hub
11 ÷ 13 Nm
Disc Inspection
- Remove the rear brake calliper.
- Check the disc thickness with a micrometer
Characteristic
Minimum thickness allowed after use:
3.5 mm
Standard thickness:
4 +0.2-0.2 mm
- Repeat the measurement at no fewer than six points on the disc.
- Check the regular nature of the rotation of the brake disc assembly using the appropriate tool fixed
onto the brake calliper as shown in the photo.
- In order to be able to anchor the appropriate tool properly use a metal plate with M8 threaded hole
and fix it to one of the two rear brake calliper attachment points.
- Suitably fix the flange to the wheel axle with the original nut and spacer and a Æ 17 mm bearing.
N.B.
SO AS NOT TO FALSIFY THE READING, YOU SHOULD ROTATE THE DRIVEN PULLEY AXLE IN
ORDER TO ROTATE THE DISC.
Specific tooling
020335Y
Magnetic support for dial gauge
Vespa GTS 250 I.E.
Braking system
BRAK SYS - 7
Summary of Contents for GTS 250 I.E.
Page 1: ...WORKSHOP MANUAL 633577 Vespa GTS 250 I E ...
Page 4: ......
Page 6: ......
Page 7: ...INDEX OF TOPICS CHARACTERISTICS CHAR ...
Page 19: ...INDEX OF TOPICS TOOLING TOOL ...
Page 32: ...Tooling Vespa GTS 250 I E TOOL 14 ...
Page 33: ...INDEX OF TOPICS MAINTENANCE MAIN ...
Page 47: ...INDEX OF TOPICS TROUBLESHOOTING TROUBL ...
Page 51: ...INDEX OF TOPICS ELECTRICAL SYSTEM ELE SYS ...
Page 56: ...Front side 1 Saddle opening switch 2 Wirings Electrical system Vespa GTS 250 I E ELE SYS 6 ...
Page 90: ... Refit the battery cover Connectors Electrical system Vespa GTS 250 I E ELE SYS 40 ...
Page 91: ...INDEX OF TOPICS ENGINE FROM VEHICLE ENG VE ...
Page 98: ...Engine from vehicle Vespa GTS 250 I E ENG VE 8 ...
Page 99: ...INDEX OF TOPICS ENGINE ENG ...
Page 156: ...Engine Vespa GTS 250 I E ENG 58 ...
Page 164: ...Engine Vespa GTS 250 I E ENG 66 ...
Page 165: ...INDEX OF TOPICS INJECTION INJEC ...
Page 168: ...Injection Vespa GTS 250 I E INJEC 4 ...
Page 184: ... REMOTE CONTROLS CONTROL UNIT FUSES ETC Injection Vespa GTS 250 I E INJEC 20 ...
Page 198: ...Components location Injection Vespa GTS 250 I E INJEC 34 ...
Page 204: ...Injection Vespa GTS 250 I E INJEC 40 ...
Page 218: ...Injection Vespa GTS 250 I E INJEC 54 ...
Page 219: ...INDEX OF TOPICS SUSPENSIONS SUSP ...
Page 240: ...Suspensions Vespa GTS 250 I E SUSP 22 ...
Page 241: ...INDEX OF TOPICS BRAKING SYSTEM BRAK SYS ...
Page 257: ...INDEX OF TOPICS COOLING SYSTEM COOL SYS ...
Page 260: ...Cooling system Vespa GTS 250 I E COOL SYS 4 ...
Page 261: ...INDEX OF TOPICS CHASSIS CHAS ...
Page 273: ...INDEX OF TOPICS PRE DELIVERY PRE DE ...
Page 277: ...INDEX OF TOPICS TIME TIME ...