KYMCO PEOPLE S 50 2005 Owner's Manual page 24

Fill with the recommended oil up to the upper level
mark (2).
Oil recommendation:
Use KYMCO 2-stroke oil or its equivalent.
CAUTION:
(2)
If the low oil level indicator comes on while riding,
stop riding and shut the engine off. Fill the oil tank
to the upper level mark with the recommended oil .
Continuing to ride with a low oil level may lead to
engine failure that could result in an accident.
If the engine has been run after the low oil level
indicator has come on, the scooter must be taken
to an authorized KYMCO dealer for inspection and
bleeding of the oil system. Failure to do this will
result in serious engine damage.
The use of improper oils may cause excessive
and/or premature carbon build-up in the engine
and exhaust system, resulting in loss of power
and possible engine damage.
When filling, do not let dirt or other foreign
materials enter the tank.
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