KYMCO Vitality 50 Owner's Manual page 41

(3) CORRECT SITTING POSITION
Ride astride on the scooter from the left side and
sit upright. Touch the ground with left foot to avoid
slipping.
CAUTION:
The rider must wear helmet, gloves and goggles.
Do not wear any clothes which will affect riding
safety.
(4) ROTATE THE THROTTLE GRIP
Release the rear brake lever and slowly rotate the
throttle grip, then the scooter will move smoothly.
CAUTION:
After the rear wheel brake lever is released, do not
rotate the throttle grip suddenly to prevent the
scooter from rushing out.
During riding, do not accelerate or decelerate
rapidly and suddenly to save fuel and prolong the
scooter life.