DAELIM VJF125 Service Manual page 275

TROUBLESHOOTING
POOR PERFORMANCE(AT HIGH SPEED)
INSPECTION
1. Check the ignition timing and
valve clearance.
Correct.
2. Disconnect fuel tube at
carburetor.
Fuel flows freely.
3. Remove the carburetor and
check for clogged jets.
No clogged.
4. Check valve timing
Correct.
5. Check valve spring tension.
POOR HANDLING
INSPECTION
1. If steering is heavy.
2. If either wheel is wobbling
3. If the motorcycle pulled to one side.
21-4
Incorrect.
Fuel flows
restricted.
Clogged.
Incorrect.
Weak.
CAUSE OF TROUBLE
Faulty valve clearance adjustment.
Faulty ECU unit.
Faulty pulse generator.
No fuel to fuel tank.
Carburetor choke closed.
Clogged fuel tube.
Clogged fuel tank cap hole.
Clogged fuel strainer or screen.
Damaged fuel strainer or screen.
Cam sprocket not installed properly.
Faulty valve spring.
CAUSE OF TROUBLE
Too tight steering top thread.
Damaged steering bearings.
Excessive wheel bearing play.
Bent rim.
Improperly installed wheel hub.
Worn rear fork pivot bush.
Bent frame.
Rear fork pivot adjusting bolt is too tight.
Front and rear wheels are not aligned.
Bent front fork.
Bent rear fork.