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Brakes overheating
BRAKES OVERHEATING
Possible Cause
Operation
Defective sliding of pistons
Replace the calliper.
Brake disc or drum deformed
Using a dial gauge, check the planarity of the disk with the
wheel correctly fitted or the concentricity of the rear drum.
Electrical system
Battery
BATTERY
Possible Cause
Operation
Battery
The battery is the electrical device in the system that requires
the most frequent inspections and thorough maintenance. If the
vehicle is not used for some time (1 month or more) the battery
needs to be recharged periodically. The battery runs down
completely in the course of 5 ÷ 6 months. If the battery is fitted
on a motorcycle, be careful not to invert the connections, keep-
ing in mind that the black ground wire is connected to the
negative terminal while the red wire is connected to the terminal
. Follow the instructions in the ELECTRICAL SYSTEM
chapter for the recharging of the batteries.
Steering and suspensions
Heavy steering
STEERING HARDENING
Possible Cause
Operation
Torque not conforming
Check the tightening of the top and bottom ring nuts.
If irregularities continue in turning the steering even after mak-
ing the above adjustments, check the seats in which the ball
bearings rotate: replace if they are recessed.
Excessive steering play
EXCESSIVE STEERING CLEARANCE
Possible Cause
Operation
EXCESSIVE STEERING CLEARANCE
Check the tightening of the top and bottom ring nuts.
If irregularities continue in turning the steering even after mak-
ing the above adjustments, check the seats in which the ball
bearings rotate: replace if they are recessed.
Noisy suspension
NOISY SUSPENSION
Possible Cause
Operation
NOISY SUSPENSION
If the front suspension is noisy, check: the efficiency of the front
shock absorbers; the condition of the ball bearings and relevant
Troubleshooting
Vespa S 50 2T
TROUBL - 42
Содержание 664787
Страница 1: ...SERVICE STATION MANUAL 664787 664795 IT EN FR DE ES PT NL EL Vespa S 50 2T ...
Страница 4: ......
Страница 6: ...INDEX OF TOPICS CHARACTERISTICS CHAR ...
Страница 16: ...INDEX OF TOPICS TOOLING TOOL ...
Страница 27: ...INDEX OF TOPICS MAINTENANCE MAIN ...
Страница 38: ...INDEX OF TOPICS TROUBLESHOOTING TROUBL ...
Страница 44: ...INDEX OF TOPICS ELECTRICAL SYSTEM ELE SYS ...
Страница 48: ...Conceptual diagrams Ignition Electrical system Vespa S 50 2T ELE SYS 48 ...
Страница 64: ...INDEX OF TOPICS ENGINE FROM VEHICLE ENG VE ...
Страница 66: ...INDEX OF TOPICS ENGINE ENG ...
Страница 97: ...INDEX OF TOPICS SUSPENSIONS SUSP ...
Страница 117: ...INDEX OF TOPICS BRAKING SYSTEM BRAK SYS ...
Страница 126: ...INDEX OF TOPICS CHASSIS CHAS ...
Страница 135: ... Undo the two screws indicated Remove the front central cover sliding it up wards Vespa S 50 2T Chassis CHAS 135 ...
Страница 136: ...INDEX OF TOPICS PRE DELIVERY PRE DE ...
Страница 140: ...INDEX OF TOPICS TIME TIME ...
Страница 141: ...Engine ENGINE Code Action Duration 1 001001 engine from frame removal and re fitting Vespa S 50 2T Time TIME 141 ...
Страница 142: ...Crankcase CRANKCASE Code Action Duration 1 001133 Engine crankcase Replacement Time Vespa S 50 2T TIME 142 ...
Страница 169: ...Seat SADDLE Code Action Duration 1 004003 Saddle Replacement Vespa S 50 2T Time TIME 169 ...