KYMCO K-XCT 125i User Manual

1. GENERAL INFORMATION
1-14
K-XCT 125i
TROUBLESHOOTING
ENGINE WILL NOT START OR IS HARD TO START
Possible cause
1. Check for operation of the fuel pump Abnormal  Faulty fuel pump
Normal
2. Inspect the fuel flow Abnormal  Faulty pressure regulator
Normal
3. Inspect the fuel injector Abnormal  Faulty injector
Normal
4. Perform spark test Weak or no spark  Faulty spark plug
 Fouled spark plug
 Faulty ECU
Good spark  Broken or shorted spark plug wire
 Faulty ignition switch
 Faulty ignition pulse generator
 Loose or disconnected spark plug
wire
5. Test cylinder compression Low compression  Valve stuck open
 Worn cylinder and piston ring
 Damaged cylinder head gasket
Compression normal  Seized valve
 Improper valve timing
6. Starting following normal procedure Engine start  Intake pipe leaking
but stops  Improper ignition timing (Faulty
ignition coil or ignition pulse
generator)
Engine does not start  Fuel contaminated
7. Remove and inspect spark plug Wet plug  Throttle valve open
 Clogged air cleaner

KYMCO K-XCT 125i Specifications

General

Brand	KYMCO
Model	K-XCT 125i
Category	Motorcycle
Language	English