KYMCO AHG5, Service Manual

Page: 362 / 363

20. EEC SYSTEM
DT X360
20-11
7.3. Inspection of emission
system
Inspect the air cleaner.
Inspect the spark plug.
Inspect the ignition system.
Plug in the diagnostic tool the check the
information.
Warm up the engine reach above 80°C.
This model equipped the catalyst in the
muffler to reduce the pollution emission.
Inspect Catalyst Converter
Inspect catalyst converter efficiency at
idle speed.
Warm up the engine 8~10 minutes, connect
to emission machine.
To check the CO value before catalyst and
after.
Normally, measuring after catalyst
converting, the CO figure will be lower than
the CO figure before catalyst converting.
If the number is abnormal, the catalyst
converter could be deteriorated, the exhaust
pipe should be replaced to prevent from the
further pollution.