APRILIA RS 50 - 2004 Manual page 33

◆
Keep at least one brake lever pulled and
do not accelerate until you start.
CAUTION
Never leave abruptly with cold engine.
To reduce the emission of polluting
substances and the consumption of fu-
el, warm the engine up by proceeding at
low speed for the first miles.
With warm engine:
◆
Rotate the cold start lever ≈ ∆ (6) up-
wards after the engine has warmed up.
STARTING WITH FLOODED ENGINE
If the starting is not carried out properly or if
there is too much fuel in the intake ducts
and in the carburettor, the engine may get
flooded.
To clean a flooded engine:
◆
Press the start push button ≈ ∆ (7) for a
few seconds (letting the engine spin
over) with completely (8) open throttle
(Pos. A).
STARTING WITH COLD ENGINE
When the room temperature is low (about
0°C), it may be difficult to start the engine
at the first attempt.
In this case:
◆
Rotate the cold start lever (6) down-
wards.
◆
Press the start button ≈ ∆ (7) for at least
ten seconds and at the same time rotate
the throttle grip slightly (8).
If the engine starts.
◆
Release the throttle grip (8).
◆
Rotate the cold start lever ≈ ∆ (6) up-
wards.
If the idling is unstable, twist the throttle
grip (8) slightly and frequently.
If the engine does not start.
Wait for a few seconds and then repeat the
starting procedure.
STARTING AFTER A LONG PERIOD
OF INACTIVITY
After a long period of inactivity, make the
starter run for about ten seconds without
accelerating, in order to ensure the filling
of the float chamber.
To start the engine, slightly open the throt-
tle and carry out the starting procedure.
use and maintenance RS 50
33