Inspecting the valve sealings
- 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.
Inspecting the valve housings
- Check the width of the imprint on the valve
seat«
V
» wear limit max. 1.6 mm.
- Remove any carbon formation from the valve
guides.
- Measure the inside diameter of each valve guide.
- Take the measurement at three different heights
in the rocker arm push direction.
- If the width of the impression on the valve seat or
the diameter of the valve guide exceed the speci-
fied limits, replace the cylinder head.
Characteristic
Valve seat wear Intake guide
limit accepted: 5.022
Valve seat wear Intake guide
Standard diameter: 5.000 ÷ 5.012 mm
Valve seat wear Exhaust guide
Accepted limit 5.022
Valve seat wear Exhaust guide
Standard diameter: 5.000 ÷ 5.012 mm
Engine
Vespa GTS 250 I.E.
ENG - 40
Содержание GTS 250 I.E.
Страница 1: ...WORKSHOP MANUAL 633577 Vespa GTS 250 I E ...
Страница 4: ......
Страница 6: ......
Страница 7: ...INDEX OF TOPICS CHARACTERISTICS CHAR ...
Страница 19: ...INDEX OF TOPICS TOOLING TOOL ...
Страница 32: ...Tooling Vespa GTS 250 I E TOOL 14 ...
Страница 33: ...INDEX OF TOPICS MAINTENANCE MAIN ...
Страница 47: ...INDEX OF TOPICS TROUBLESHOOTING TROUBL ...
Страница 51: ...INDEX OF TOPICS ELECTRICAL SYSTEM ELE SYS ...
Страница 56: ...Front side 1 Saddle opening switch 2 Wirings Electrical system Vespa GTS 250 I E ELE SYS 6 ...
Страница 90: ... Refit the battery cover Connectors Electrical system Vespa GTS 250 I E ELE SYS 40 ...
Страница 91: ...INDEX OF TOPICS ENGINE FROM VEHICLE ENG VE ...
Страница 98: ...Engine from vehicle Vespa GTS 250 I E ENG VE 8 ...
Страница 99: ...INDEX OF TOPICS ENGINE ENG ...
Страница 156: ...Engine Vespa GTS 250 I E ENG 58 ...
Страница 164: ...Engine Vespa GTS 250 I E ENG 66 ...
Страница 165: ...INDEX OF TOPICS INJECTION INJEC ...
Страница 168: ...Injection Vespa GTS 250 I E INJEC 4 ...
Страница 184: ... REMOTE CONTROLS CONTROL UNIT FUSES ETC Injection Vespa GTS 250 I E INJEC 20 ...
Страница 198: ...Components location Injection Vespa GTS 250 I E INJEC 34 ...
Страница 204: ...Injection Vespa GTS 250 I E INJEC 40 ...
Страница 215: ...Schema valido dal numero di telaio ZAPM4510000001579 in poi Vespa GTS 250 I E Injection INJEC 51 ...
Страница 218: ...Injection Vespa GTS 250 I E INJEC 54 ...
Страница 219: ...INDEX OF TOPICS SUSPENSIONS SUSP ...
Страница 240: ...Suspensions Vespa GTS 250 I E SUSP 22 ...
Страница 241: ...INDEX OF TOPICS BRAKING SYSTEM BRAK SYS ...
Страница 257: ...INDEX OF TOPICS COOLING SYSTEM COOL SYS ...
Страница 260: ...Cooling system Vespa GTS 250 I E COOL SYS 4 ...
Страница 261: ...INDEX OF TOPICS CHASSIS CHAS ...
Страница 273: ...INDEX OF TOPICS PRE DELIVERY PRE DE ...
Страница 277: ...INDEX OF TOPICS TIME TIME ...
Страница 279: ...Crankshaft CRANKSHAFT Code Action Duration 1 001117 Crankshaft Replacement Vespa GTS 250 I E Time TIME 3 ...
Страница 317: ...Stickers TRANSFERS Code Action Duration 1 004159 Plates Stickers Replace ment Vespa GTS 250 I E Time TIME 41 ...