Exhaust Emission Related System Inspection; Exhaust Emission Test And Adjustment - KYMCO SUPER 9 50 Service Manual

17
. EVAPORATIVE/EXHAUST EMISSION
CONTROL SYSTEM

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.

EXHAUST EMISSION TEST AND ADJUSTMENT

1. Start the engine and warm up for several minutes. (Engine surface temperature 50℃～60℃)
2. Adjust the idle speed to:: SH10AD:2000±100rpm SF10DA:1900±100rpm
3. Connect the emission tester sampling pipe to the exhaust muffler.
Standard:
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: SH10AD: 1
5. If the adjustment of carburetor makes no difference, inspect exhaust emission related system.
17-3
±
¼ ½ turns ,SF10DA: 1
±
¼ ½ turns
SUPER 9 50