To this chapter contents
1. GENERAL INFORMATION
C. Engine runs sluggish (especially in low speed and idling)
1-16
Check and adjustment
Fault condition
Probable causes
Check ignition timing (using
ignition lamp)
D. Engine runs sluggish (High speed)
Normal
Abnormal
y
Incorrect ignition timing (malfunction of
CDI or AC alternator)
Adjust the air screw of
carburetor
Good
Poor
y
Rich mixture (loosen the screw)
y
Lean mixture (tighten the screw)
Air sucked through carburetor
gasket
Check for fuel supplying system
in automatic fuel cup
Check if carburetor clogged
y
Poor heat insulation gasket
y
Carburetor lock loose
y
Poor intake gasket
y
Poor carburetor O-ring
y
Vacuum hose crack
y
Spark plug fouled
y
Malfunction of CDI
y
Malfunction of AC generator
y
Malfunction of ignition coil
y
Open or short circuit in spark plug leads
y
Malfunction of main switch
y
Insufficient fuel in fuel tank
y
Fuel filter clogged
y
Restricted fuel tank vent
Good
Abnormal
Good spark
Poor
No air sucked
Air sucked
Remove spark plug, install
spark plug into spark plug cap
and perform spark test against
engine ground
Fault condition
Probable causes
Check and adjustment
Check ignition timing
y
Malfunction of CDI
y
Malfunction of AC alternator
Normal
Abnormal
No clogged
Clogged
y
Cleaning
Summary of Contents for Quad Lander 300
Page 1: ...FORWARD CONTENTS HOW TO USE THIS MANUAL SERIAL NUMBER Quad Lander 300 SERVICE MANUAL...
Page 5: ...Home page Contents SERIAL NUMBER Frame number Engine number...
Page 17: ...1 GENERAL INFORMATION 1 12...
Page 41: ...2 MAINTENANCE INFORMATION 2 17...
Page 49: ...3 LUBRICATION SYSTEM 3 8 Notes To this chapter contents...
Page 51: ...4 FUEL SYSTEM 4 2 UA30A A UA30A1 6 Fuel tank cap Fuel tank Carburetor Fuel valve Fuel Strainer...
Page 69: ...4 FUEL SYSTEM 4 20 Notes To this chapter contents...
Page 144: ...10 ALTERNATOR STARTING CLUTCH 10 10 Note To this chapter contents...
Page 178: ...13 BODY COVER 13 14...
Page 192: ...14 FRONT BRAKE FRONT WHEEL 14 14 Notes To this chapter contents...
Page 213: ...16 REAR BRAKE REAR WHEEL REAR CUSHION 16 11...
Page 242: ...17 ELECTRICAL SYSTEM 17 21 To this chapter contents...
Page 243: ...18 ELECTRICAL DIAGRAM 18 1 18 Home page Contents QUAD LANDER 300 ELECTRICAL DIAGRAM...
Page 244: ...18 ELECTRICAL DIAGRAM 18 2 Notes Home page Contents...