VESPA 1962 150, Руководство по эксплуатации и техническому обслуживанию

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Setting the machine in motion . Let the engine idle, lift the clutch and turn the gear
change twistgrip (LH.) so that the line engraved on it coincides with the figure «1» (1st
gear) engraved on handlebars (see Fig. 15). Now let in the clutch gently, while opening
the throttle gradually to set the machine in motion.
Gear change . After reaching the required speed in 1st gear, quickly close the throttle, lift
the clutch and turn the gear change twistgrip so that the engraved line is opposite figure «
2 » ( 2nd gear) ; let in the clutch and open the throttle. Repeat this procedure for changing
into 3rd and 4th gear and for changing down. When you reduce the speed of your
machine change down without delay. See the drive system on Fig. 15.
Do not turn the gear change twistgrip while the engine is not running.
As soon as gear change troubles arise, customers should have their machines adjusted by a Retailer
or authorized service station.
Slow running adjustment. Idling revs can be raised or reduced respectively by simply
tjghtening or slackening, either with a screwdriver or by hand, the knurled slotted screw on
air cleaner steel sheet cover (seeFig. 6). The screw controls the throttle slide valve.
The adjuster screw for throttle control cable is installed on the air cleaner case (see Fig. 6). This screw
is to be re-set only if necessary and on dismantling and re-assembling. Opposite to said screw on the
air cleaner case, is a plugged hole for access to another screw (spring-loaded) with a tapering end
(see Fig. 6). This screw controls the flow of carburated air through- the duct from the idling jet, and
consequently the idling revs. We recommend that customers keep from resetting this screw, unless
indispensables or during dismantling and assembling operations that should, be entrusted to a
Service Station.
Stopping the engine . Push the earthing button; this will leave the cylinder full of fuel
vapours, and the successive start will be easier.
Tyres. The wheels are interchangeable, i. e. they can be assembled either in front or rear,
provided, that they are inflated to the pressures subsequently prescribed. For replacing a
flat tyre, unscrew the four nuts which secure the wheel ; pull the latter sideways off the
studs, repair the tube or fit on the spare wheel.
Fig. 17 – Removing the inner tube