KYMCO 50 Owner's Manual page 36

OPERATION
The brake must be adjusted and functioning properly
to lock the rear wheel during starting, or the scooter
could accelerate away when the engine starts.
NOTE: The rear brake must be held for the starter motor
to engage the engine. It is normal for the stop light to be
illuminated during starting.
1 1 1 1 1
3. Press the starter button 1 without rotating the throttle grip.
To prevent damage to the starter motor, do not operate
the starter motor for more than five seconds at a time. If
the scooter fails to start immediately, check the fuel level
and the battery condition, and allow the starter motor to
cool before attempting to start the engine again.
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2 2 2 2 2
NOTE: If the scooter's engine is warm and does not start
immediately, rotate the throttle grip 2 2 2 2 2 to 1/8 to 1/4 open
to help the engine start.
NOTE: If the scooter has not been ridden for a long pe-
riod of time it may be hard to start. Add fresh fuel and
press the starter button several times in succession to
try to start the engine. If the scooter does not start, con-
tact your KYMCO dealer, as your scooter may need to have
its fuel system cleaned and adjusted.
Once the scooter starts, the rear wheel may spin. To
avoid injury, keep your body and clothing away from
the rear wheel.
4. Allow a cold engine to warm up for 2 - 3 minutes before
riding.