DAELIM DAYSTAR Service Manual

21-3
Troubleshooting
10. Check oil level. Incorrect. Oil level too high.
Oil level too low.
Contaminated oil.
11. Remove cylinder head cover Valve train
Clogged oil passage.
and inspect lubrication. lubricated
Clogged oil filter element.
properly.
12. Check for engine Overheating
Excessive carbon build-up in
overheating combustion chamber.
Use of poor quality fuel.
Clutch slipping.
Lean fuel mixture.
13. Accelerate or run at Engine knock.
Worn piston and cylinder.
high speed.
Lean fuel mixture.
Use of poor quality fuel.
Excessive carbon build-up in
combustion chamber.
Ignition timing too advanced.
(Faulty CDI unit or pulse generator.)
Valve train lubricated
properly.
Correct.
Poor Performance(At Low and Idle Speed)
1. Check the ignition timing and Incorrect. Oil level too high.
valve clearance.
Improper ignition timing.
(Faulty CDI unit or pulse generator.)
2. Check carburetor pilot screw Incorrect.
Carburetor choke closed.
adjustment.
3. Check for leading intake pipe Leaking.
Loose carburetor insulator.
Damaged insulator.
Insulator not installed properly.
4. Perform spark test. Weak or intermittent
Faulty, carbon, wet fouled spark plug.
spark.
Faulty CDI unit.
Faulty A.C. generator.
Faulty ignition coil.
Faulty pulse generator.
Correct.
Correct.
No leak.

DAELIM DAYSTAR Specifications

General

Fuel System	Carburetor
Front Suspension	Telescopic Fork
Front Brake	Disc
Rear Brake	Drum
Engine Type	4-Stroke, Air-cooled
Displacement	124 cc
Transmission	5-speed
Fuel Capacity	12.5 liters
Weight	125 kg
Rear Suspension	Dual shock absorbers