- In case of excessive wear or damage, replace the head.
STANDARD VALVE LENGTH
Specification
Desc./Quantity
Intake
84.5 mm
Exhaust
94.5 mm
- Measure the diameter of the valve stems in the three positions indicated in the diagram.
STANDARD DIAMETER
Specification
Desc./Quantity
Intake:
4.987 - 4.972 mm
Exhaust:
4.975 - 4.960 mm
MINIMUM ADMISSIBLE DIAMETER
Specification
Desc./Quantity
Intake:
4.96 mm
Exhaust:
4.945 mm
- Calculate the clearance between valve and valve
guide.
- Check the deviation of the valve stem by resting
it on a «
V
» shaped abutment and measuring the
extent of the deformation with a dial gauge.
Characteristic
Limit values admitted:
0.1 mm
Vespa GTS Super 125 i.e. (2009)
Characteristics
CHAR - 25
Summary of Contents for GTS Super 125 i.e. (2009)
Page 1: ...MANUALE STAZIONE DI SERVIZIO Vespa GTS Super 125 i e 2009 ...
Page 4: ......
Page 6: ...INDEX OF TOPICS CHARACTERISTICS CHAR ...
Page 31: ...INDEX OF TOPICS TOOLING TOOL ...
Page 43: ...INDEX OF TOPICS MAINTENANCE MAIN ...
Page 53: ...INDEX OF TOPICS TROUBLESHOOTING TROUBL ...
Page 57: ...INDEX OF TOPICS ELECTRICAL SYSTEM ELE SYS ...
Page 87: ...INDEX OF TOPICS ENGINE FROM VEHICLE ENG VE ...
Page 95: ...INDEX OF TOPICS INJECTION INJEC ...
Page 96: ...Injection Vespa GTS Super 125 i e 2009 INJEC 96 ...
Page 126: ...Injection Vespa GTS Super 125 i e 2009 INJEC 126 ...
Page 135: ...INDEX OF TOPICS SUSPENSIONS SUSP ...
Page 159: ...INDEX OF TOPICS BRAKING SYSTEM BRAK SYS ...
Page 174: ...INDEX OF TOPICS COOLING SYSTEM COOL SYS ...
Page 177: ...INDEX OF TOPICS CHASSIS CHAS ...
Page 189: ...INDEX OF TOPICS PRE DELIVERY PRE DE ...
Page 193: ...INDEX OF TOPICS TIME TIME ...