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High Fuel Consumption - VESPA 152 Operation And Maintenance

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Locating
the trouble
INCORRECT
RUNNING
I. . Lack of power
Silencer exhaust pipe carbonised.
Sparkplug not well screwed into cylinder head.
Cylinder head not fitting properly into the spigot
on top of cylinder.
2. - Explosions at silencer and carburettor.
3. . High fuel consumption.
(a) Air cleaner choked or dirty; flap of choke
valve sticking
in closed or
partially closed
position.
(b) Other
troubles
(faulty carburettor.
poor
compression,
etc.).
4. - Enginenoisy - Clutch troubles - Gear
pinions disengage of own accord
-
Starter
assembly
not
engaging
.
Controls
not
operating
properly
.
Steering
column
becomes stiff. Inefficiency of suspensions.
--
Remedies
Clean (see page 27).
Tighten
with
21 mm box spanner.
Set the head properly
and tighten
the nuts.
Replace or clean the plug and correct
the gap
(see page 27).
Clean witt. pure petrol and blow dry.
Dip the metal war!ding into a 30% petrol-oil
bath.
Release and lu bricate the choke lever.
See your dealer.
See your dealer.
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33

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