1
. GENERAL INFORMATION Movie S 125i
1-22
ENGINE LACKS POWER
Possible cause
1. Raise wheel off the ground
Wheels do not
Brake dragging
and spin by hand
spin freely
Worn or damaged wheel bearing
Wheel spins freely
2. Check tire pressure
Pressure low
Faulty tire valve
Punctured tire
Pressure normal
3. Accelerate lightly
Engine speed does
Air cleaner dirty
not increase
Restricted fuel flow
Clogged muffler
Engine speed increase
Pinched fuel tank breather
4. Check ignition timing
Incorrect
Faulty ECU
Faulty ignition pulse generator
Correct
5. Test cylinder compression
Incorrect
Valve stuck open
Worn cylinder and piston rings
Leaking head gasket
Normal
Improper valve timing
6. Inspect fuel flow
Abnormal
Faulty pressure regulator
Normal
7. Inspect the fuel injector
Abnormal
Faulty injector
Normal
8. Remove spark plug
Fouled or discolored
Faulty spark plug
Not fouled or discolored
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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