WARNING
WHEN WASHING THE ENGINE WITH A HIGH-PRESSURE WATER JET:
• ONLY USE FAN SPRAY JETS.
• DO NOT PLACE THE NOZZLE CLOSER THAN 60 CM.
• DO NOT USE WATER AT TEMPERATURES OVER 40° C.
• DO NOT DIRECT THE JETS DIRECTLY TO CARBURETTOR, WIRINGS, SLOT
DIFFUSERS ON THE TRANSMISSION COVER AND SCROLL COVER.
START-UP PROBLEMS
No fuel in tank
Refuel
Filters, jets or carburettor body
dirty or clogged.
Contact an
Authorised Service
Centre.
Insufficient battery charge
Kick-start. Recharge the battery.
I
GNITION
PROBLEMS
No spark from spark plug. Due to
the presence of high voltage, this
check should only be carried out by
an expert.
Make sure the electrodes are
properly adjusted. Check that they
are (clean with pure petrol and a
metal brush or with emery cloth).
Check the spark plug insulator:
Replace the spark plug if the
57
3 Maintenance
Summary of Contents for S 50 4T 4V
Page 4: ...4 ...
Page 6: ...6 ...
Page 7: ...Vespa S 50 4T 4V Chap 01 Vehicle 7 ...
Page 9: ...01_01 9 1 Vehicle ...
Page 10: ...01_02 10 1 Vehicle ...
Page 19: ...Vespa S 50 4T 4V Chap 02 Use 19 ...
Page 30: ...30 2 Use ...
Page 31: ...Vespa S 50 4T 4V Chap 03 Maintenance 31 ...
Page 45: ...03_25 03_26 03_27 45 3 Maintenance ...
Page 61: ...Vespa S 50 4T 4V Chap 04 Technical data 61 ...
Page 62: ...04_01 62 4 Technical data ...
Page 67: ...Vespa S 50 4T 4V Chap 05 Spare parts and accessories 67 ...
Page 69: ...Vespa S 50 4T 4V Chap 06 Programmed maintenance 69 ...