Emission - Kymco Clean Air System; Exhaust Emission Control System - KYMCO People S 250 Owner's Manual

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EXHAUST EMISSION CONTROL SYSTEM

KYMCO Clean-Air System
The KYMCO Clean-Air System is a secondary air suction system that helps burn off unused fuel particles in the exhaust
system to minimize pollutants. When the exhaust from the engine's combustion chamber is sent into the exhaust sys-
tem, it contains some unused fuel. The Clean-Air system introduces more oxygen from normal air to permit the unused
fuel to burn in the hot environment of the exhaust system. This continued burning action uses up a great deal of the
normally unused fuel and other gases, and changes a significant portion of the poisonous carbon monoxide into harm-
less carbon dioxide. The Clean-Air system does not use any energy from the engine and does not affect the scooter's
performance.
1 1 1 1 1
AN AN AN AN AN
AM AM AM AM AM
2 2 2 2 2
3 3 3 3 3
AT AT AT AT AT
AK AK AK AK AK
AL AL AL AL AL
4 4 4 4 4
8 8 8 8 8
7 7 7 7 7
6 6 6 6 6
9 9 9 9 9
1 Fresh Air
2 Carburetor
5 5 5 5 5
3 Intake manifold
4 Vacuum hose
5 Air injection control valve
6 Air injection air cleaner
7 Reed valve
8 Air pipe
9 Fresh air
AT Exhaust valve
1 1 1 1 1
AK Piston & cylinder
AL Engine oil
AM Catalytic converter
AN Crankshaft
61

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