KYMCO AK550 Premium E5 2023 Owner's Manual page 69

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5
Proper Riding Method
To prevent fire or burn:
Park the vehicle properly so that pedestrian or children
cannot reach.
Do not park the vehicle in the vicinity of flammables.
Make sure the exhaust system has cooled off before
performing any maintenance.
Never turn off the main power switch while riding the
vehicle. Otherwise a great amount of non-burnt gas
mixture will enter into muffler and combust there,
damaging and burning the Catalytic Converter.
Use only unleaded gasoline; leaded gasoline can result
in aging and failure of Catalytic Converter.
Exhaust Control System
Complying with EPA Exhaust Emission Standard, the
scooter is equipped with following parts in the Exhaust
Control System:
Electronic Control Unit (ECU)
Crankcase Ventilation Valve
Catalytic Converter
Throttle
Various sensors:
Air Intake Temperature Sensor
Air Intake Pressure Sensor
Throttle Position Sensor
O2 Sensor
Temperature Sensor
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