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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.
Summary of Contents for DAYSTAR -
Page 1: ...SERVICE MANUAL...
Page 22: ...MEMO...
Page 38: ...Fuel System 4 0...
Page 55: ...MEMO...
Page 56: ...6 0 Clutch Gearshift...
Page 69: ...7 0 A C Generator Starter Clutch...
Page 78: ...MEMO...
Page 79: ...8 0 Cylinder Head Valve...
Page 96: ...MEMO...
Page 97: ...9 0 Cylinder Piston...
Page 105: ...10 0 Crank Case Transmission Crankshaft 1 2kgf m 12N m 1 1kgf m 11N m...
Page 126: ...12 5 MEMO...
Page 127: ...13 0 Front Wheel Front Fork Steering...
Page 149: ...14 0 Rear Wheel Rear Brake Suspension...
Page 161: ...15 0 Hydraulic Brake...
Page 173: ...16 0 Charging System Battery Regulator Rectifier Fuse Battery AC Generator...
Page 181: ...17 0 Ignition System A C Generator Spark Plug Ignition Coil CDI Unit...
Page 188: ...MEMO...
Page 189: ...18 0 Electric Starter Starter Motor Battery Starter Magnetic Switch...
Page 196: ...MEMO...
Page 197: ...19 0 Lights Switches Horn...
Page 208: ...20 1 Wiring Diagram 20 Wiring Diagram 20...
Page 209: ...MEMO...