"CRUSADER
250," "250
CLIPPER"
AND
"CRUSADER
SPORTS"
to labour.
One change
low
down may save two higher
up and at the same time enable a faster
climb to
be
made.
To
stop the machine, close
the throttle and apply
the brakes;
lift
the
clutch
as the machine cornes to rest.
The engine may be kept running with the
clutch
out,
if
the stop
is
of only
short duration, but neutral should be
found
if
the engine
is
kept running for any length of
time.
To
stop the engine, switch
off
the ignition. Engines
are sent out from the Works with the carburettors set at
a tick-over rate.
lt
is, of course, possible to set the
throttle stop to
close
the throttle completely, in which
case the engine
will
stop whenever the
throttle
is
closed.
Note that the positions of the handlebars, footrests
and all controls (including the gear lever and the brake
pedal) are adjustable. A rider cannot have proper
control of
his
motor cycle unless he
is
comfortable and
the controls are conveniently situated. Riders should
set the controls to suit their individual requirements.
6 Running-in.
Ali
Royal Enfield motor cycles have a
special oval formed piston which minimises the risk of
seizure with a
new
engine. Nevertheless, careful running-
in
is
highly desirable
if
the best results are to
be
obtained.
lt
is
recommended, therefore, that a
new
machine
should not
be
driven at a speed exceeding
30
m.p.h. for
the first
200
miles, and, until at least
500
miles have
been covered, the throttle should not be opened above
half way, except for very short periods. After this
distance short bursts of speed are desirable in order to
hasten the bedding down of the thrust faces of the piston.
Gradually
increase the duration of these speed bursts
until the machine will stand large throttle openings for
indefinite periods. Note the importance of progressively
increasing the work done by the engine. Running
1,000
miles at
30
m.p.h.
will
not
bed down the piston to
enable it to withstand continuous high speed running.
Piston temperature
is
the important factor and this
depends not only on speed and throttle opening, but
also on how long that particular throttle opening bas
been sustained. Thus a machine after the preliminary
8
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