Remove the tube passage seal from the crank-
case shown in the figure
Refitting
To refit, perform the steps in the reverse direction
to disassembly
Remember to drain after refitting using the screw
shown in the figure
Fuel supply
- Disconnect the fuel supply and the suction taking
pipe from the carburettor.
- Check that there are no fuel leaks between the
two tubes.
- Close the fuel outlet pipe.
- By means of the MITYVAC pump apply 0.1 bar
of suction to the tap.
- Make sure that the suction is kept stable and that
and that there are no fuel leaks.
- Reconnect the suction pipe to the manifold.
- Position the fuel pipe with the outlet at the point
of the tap.
- Turn the engine by using the starter for five sec-
onds with the carburettor at minimum.
- Take up the fuel by means of a graded burette.
N.B.
THE MEASUREMENT MAY BE FALSIFIED BY THE INCOR-
RECT NUMBER OF REVS OR BY THE WRONG POSITION
Vespa LX 50
Engine
ENG - 89
Summary of Contents for LX 50
Page 1: ...WORKSHOP MANUAL 633416 Vespa LX 50 ...
Page 4: ......
Page 6: ...INDEX OF TOPICS CHARACTERISTICS CHAR ...
Page 16: ...INDEX OF TOPICS TOOLING TOOL ...
Page 27: ...INDEX OF TOPICS MAINTENANCE MAIN ...
Page 38: ...INDEX OF TOPICS TROUBLESHOOTING TROUBL ...
Page 44: ...INDEX OF TOPICS ELECTRICAL SYSTEM ELE SYS ...
Page 58: ...INDEX OF TOPICS ENGINE FROM VEHICLE ENG VE ...
Page 60: ...INDEX OF TOPICS ENGINE ENG ...
Page 91: ...INDEX OF TOPICS SUSPENSIONS SUSP ...
Page 107: ...INDEX OF TOPICS BRAKING SYSTEM BRAK SYS ...
Page 113: ...INDEX OF TOPICS CHASSIS CHAS ...
Page 118: ...INDEX OF TOPICS PRE DELIVERY PRE DE ...
Page 122: ...INDEX OF TOPICS TIME TIME ...