kymco mo zx50 Instruction De Maintenance
17
. EVAPORATIVE/EXHAUST EMISSION
CONTROL SYSTEM
17-3
ZX 50
ZX 50
ZX 50
EXHAUST EMISSION RELATED SYSTEM INSPECTION
Clean or replace the air cleaner.
Clean and adjust the carburetor.
Inspect the auto bystarter system.
Clean and inspect the spark plug.
Inspect the ignition system.
Clean and adjust the carburetor.
Inspect the auto bystarter system.
Clean and inspect the spark plug.
Inspect the ignition system.
EXHAUST EMISSION TEST AND ADJUSTMENT
1. Start the engine and warm up for several minutes. (Engine surface temperature
1. Start the engine and warm up for several minutes. (Engine surface temperature
50℃_
60℃ )
2. Adjust the idle speed to:: 2000±100rpm
3. Connect the emission tester sampling pipe to the exhaust muffler.
3. Connect the emission tester sampling pipe to the exhaust muffler.
Standard:
CO: 3±0.5%
HC: 7000PPM max.
CO: 3±0.5%
HC: 7000PPM max.
4. If CO or HC exceeds the specified values, adjust the carburetor air screw (A.S.) until CO and HC
are within the specified standard values.
A.S. Opening: 1_±_ turns
A.S. Opening: 1_±_ turns
5. If the adjustment of carburetor makes no difference, inspect exhaust emission related system.
+100
−50