Choose your country
We work in partnership with many official Kymco dealers around the world.
You can select the country of your choice from the list below, whatever your choice, we can deliver worldwide!
20. EXHAUST EMISSION CONTROL
SYSTEM PEOPLE/PEOPLE S 250
SCHEMATIC DRAWING
Carburetor Air Injection
Vacuum Cut-off Valve
Reed Valve
Secondary
Secondary Air Air Cleaner
Cleaner Into Hole
EXHAUST EMISSION CONTROL SYSTEM
The exhaust emission control system adopted in this model utilizes the reed valve to draw
secondary air into the exhaust system for re-combustion by means of exhaust pulsation so as to
minimize the exhaust emission.
FUNCTION
Item Purpose Function
It filters the fresh air drawn for re-burning to prevent
Secondary Air
Filter secondary air. dirt or dust from affecting the operation of the air
Cleaner
injection cut-off valve.
The air injection cut-off valve usually opens to lead
air into the exhaust muffler in which air is re-burned
Prevent exhaust
Air Injection Cut- to reduce CO. When the throttle valve closes
muffler noise and
off Valve suddenly, the air injection cut-off valve is actuated
backfiring at sudden
by vacuum to close and cut off secondary air in
deceleration.
order to prevent exhaust muffler backfiring due to
air in the exhaust system.
When the motorcycle speed is less than 50km per
Control the secondary
Reed Valve hour, the reed valve operates to draw secondary air
air inlet to reduce CO.
into the exhaust system for re-combustion.
20-1