1
. Automatic starter -
2
. Idle air set screw -
3
. Idle speed set screw -
4
. Throttle valve spring -
5
. Throttle
valve tapered pin -
6
. Throttle valve -
7
. Carburettor body -
8
. Pin -
9
. Min. jet -
10
. Float -
11
. Max. jet
-
12
. Float chamber
Checking the spark advance
-Check to be made at over 4000 rpm with strobo-
scopic gun. The advanced ignition measured must
be 17° before the TDC.
- This value is correct when the reference mark on
the flywheel hood is aligned with the reference
mark on the cooling fan and the phase shifter on
the stroboscopic gun is set on 17°.
N.B.
IN CASE OF MALFUNCTION, CARRY OUT THE CHECKS
PROVIDED FOR IN THE ELECTRICAL SYSTEM CHAPTER.
CAUTION
BEFORE CARRYING OUT THE ABOVE CHECKS, CHECK
THE CORRECT KEYING OF THE FLYWHEEL ON THE
CRANKSHAFT.
Specific tooling
020330Y
Stroboscopic light to check timing
Spark plug
Place the vehicle on its central stand
- Remove the central cover, indicated in the figure,
by undoing the 2 fixing screws;
- Disconnect spark plug HV wire hood;
-Undo the spark plug using the socket wrench;
-Examine the condition of the spark plug, check
that the insulating material is whole and measure
the distance between the electrodes using a thick-
ness gauge.
-Adjust the distance if necessary by bending the
side electrode very carefully.
In the case of defects, replace the spark plug with
one of the specified type;
Vespa LX 50
Maintenance
MAIN - 31
Содержание LX 50
Страница 1: ...WORKSHOP MANUAL 633416 Vespa LX 50 ...
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 58: ...INDEX OF TOPICS ENGINE FROM VEHICLE ENG VE ...
Страница 60: ...INDEX OF TOPICS ENGINE ENG ...
Страница 91: ...INDEX OF TOPICS SUSPENSIONS SUSP ...
Страница 107: ...INDEX OF TOPICS BRAKING SYSTEM BRAK SYS ...
Страница 113: ...INDEX OF TOPICS CHASSIS CHAS ...
Страница 118: ...INDEX OF TOPICS PRE DELIVERY PRE DE ...
Страница 122: ...INDEX OF TOPICS TIME TIME ...
Страница 124: ...Crankcase CRANKCASE Code Action Duration 1 001133 Engine crankcase Replacement Time Vespa LX 50 TIME 124 ...