PIAGGIO MSS ZIP 100 4T, Service Manual

Page: 36 / 192

0.15 mm
Headlight adjustment
Proceed as follows:
1 . Place the vehicle, in running order and with the
tyres inflated to the prescribed pressure, on a flat
surface 10-m away from a white screen situated in
a shaded area, making sure that the longitudinal
axis of the scooter is perpendicular to the screen;
2 . Turn on the headlight and check that the bor-
derline of the projected light beam on the screen
is not higher than 9/10 or lower than 7/10 of the
distance from the ground to the centre of vehicle
headlamp;
3 . If otherwise, adjust the right headlight with screw
« A ».
N.B.
THE ABOVE PROCEDURE COMPLIES WITH THE EURO-
PEAN STANDARDS REGARDING MAXIMUM AND MINI-
MUM HEIGHT OF LIGHT BEAMS. REFER TO THE STATU-
TORY REGULATIONS IN FORCE IN EVERY COUNTRY
WHERE THE VEHICLE IS USED.
CO check
- CO checking may be necessary when an engine operation failure is detected or during engine idle
speed adjustment operations.
- This test must be carried out after washing all carburettor parts carefully, the air filter must be clean
and the ignition spark plug in good conditions.
1) warm up the vehicle travelling on the streets at about 50 km/h for ~5 minutes; time enough for the
automatic starter to exclude the circuit.
2) Shut off the vehicle only for the time required to carry out steps 3) and 4).
3) Connect a - 50 cm extension pipe to the exhaust fumes intake in the muffler.
4) Make sure the muffler and the pipe are adequately connected and tight. Insert the exhaust fumes
analyser probe into the pipe.
5) Connect the tester thermometer to the sump, using a cover with oil expressly prepared for probes.
6) Start the engine and before adjusting the idle speed, make sure that the oil temperature is between
70÷80 °C.
7) Wait until the idle speed stabilises for one minute.
8) Without operating the accelerator again and using the flow screw rev the engine at 1500±150
rpm.
Maintenance
MSS ZIP 100 4T
MAIN - 36