- Insert the valves into the cylinder head.
- Alternatively check the intake and exhaust
valves.
- The test is carried out by filling the manifold with
petrol and checking that the head does not ooze
through the valves when these are just pressed
with the fingers.
Measure the camshaft bearing seats and rocking
lever support pins with a bore meter
HEAD BEARINGS
Specification
Desc./Quantity
Bearing "A"
37 +0.025
Bearing "B"
20 +0.021
Bearing "C"
12 +0.018
- Measure the unloaded spring length.
Characteristic
Standard length
40.5 mm
Allowable limit after use:
39.7 mm
- Clean the valve seats of any carbon residues.
- Using the Prussian blue, check the width of the
impression on the valve seat "
V
".
Characteristic
Admissible limit:
1.6 mm
- If the width of the impression on the valve seat exceeds the specified limits, replace the cylinder head.
Characteristics
Vespa GTS Super 125 i.e. (2009)
CHAR - 24
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 ...