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18
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EVAPORATIVE / EMISSION CONTROL SYSTEM Movie S 125i
18-2
EVAPORATIVE EMISSION CONTROL SYSTEM FUNCTION
FOREWORD:
The Evaporative Emission Control System is abbreviated to E.E.C. System. This device collects
the fuel vapor from the fuel tank and then the fuel vapor is drawn into the engine for re-burning to
avoid air pollution caused by the fuel vapor diffused into the air.
FUNCTION
Item
Purpose
Function
Purge Control Valve
Control vaporized HC
from fuel tank not to
diffuse into the air.
The charcoal canister absorbs vaporized HC
from the fuel tank. When the engine is
running and the purge control valve is open,
the fuel vapor in the charcoal canister is
drawn into the engine for re-burning.
Charcoal Canister
Absorb and store the
vaporized HC from the
fuel tank and carburetor.
The vaporized HC is absorbed in the
charcoal canister and the specified volume
of HC in the emission should not exceed 2g.
P.C.V. System
Completely recover the
HC from blow-by gas in
the crankcase for re-
burning.
Through the P.C.V. system, the blow-by gas
from the crankcase is separated into fuel
vapor and fuel and then drawn into the
cylinder for re-burning.
TROUBLESHOOTING
Engine loses power or runs erratic at idle speed
1. Clogged P.C.V. system
2. Clogged air cleaner
3. Faulty purge control valve
4. Loose or broken E.E.C. system tubes
Engine idles or accelerates roughly
1. Faulty fuel cut-off valve
2. Faulty purge control valve
3. Clogged or faulty charcoal canister
Summary of Contents for KYMCO Movie S 125i
Page 17: ...1 GENERAL INFORMATION Movie S 125i 1 14...
Page 23: ...1 GENERAL INFORMATION Movie S 125i 1 20 WIRING DIAGRAM...
Page 54: ...5 Fi INJECTION SYSTEM MOVIES125i 5 2 Fi PARTS DRAWING...
Page 85: ...6 0 6 6 ENGINE REMOVAL INSTALLATION Movie S 125i...
Page 90: ...7 0 7 7 CYLINDER HEAD VALVES Movie S 125i...
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Page 109: ...10 10 FINAL REDUCTION 10 0 Movie S 125i...
Page 116: ...11 11 CRANKCASE CRANKSHAFT 11 0 Movie S 125i...
Page 123: ...12 FRONT WHEEL BRAKE SUSPENSION 12 1 Movie S 125i...
Page 129: ...12 FRONT WHEEL BRAKE SUSPENSION 12 7 Movie S 125i...
Page 139: ...13 13 0 13 REAR WHEEL REAR BRAKE REAR SUSPENSION Movie S 125i...
Page 157: ...15 IGNITION SYSTEM 15 2 Movie S 125i IGNITION CIRCUIT...
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