kymco mo zx50 Servicehandbuch
17
. EVAPORATIVE/EXHAUST EMISSION
CONTROL SYSTEM
17-1
ZX / SCOUT 50
EXHAUST EMISSION CONTROL SYSTEM
The exhaust emission control system adopted by this model is an oxidizing catalytic converter
which is located in the middle of the exhaust muffler to reduce pollutants in the exhaust
emission.
Exhaust Muffler Diagram
FUNCTION
Item
Purpose
Function
Oxidizing
Catalytic
Converter
Catalytic
Converter
Reduce the concentration of
HC and CO in the exhaust
emission.
HC and CO in the exhaust
emission.
The precious metal in the oxidizing catalytic
converter is used to oxidize HC and CO in
the exhaust emission into CO
converter is used to oxidize HC and CO in
the exhaust emission into CO
2
and H
2
O to
avoid air pollution.
TROUBLESHOOTING
Engine runs erratic at idle speed and
Lack of power and high CO & HO
high fuel consumption
1. Clogged exhaust muffler
1. Clogged exhaust muffler
2. Faulty oxidizing catalytic converter
2. Clogged carburetor
3. Carburetor adjusted improperly
3. Clogged air cleaner
4. Clogged air cleaner
4. Faulty spark plug
5. Faulty spark plug
5. Incorrect ignition timing
6. Incorrect ignition timing
Catalytic Converter