21-4
TROUBLESHOOTING
POOR HANDLING
1. If steering is heavy.
Too tight steering top thread.
Damaged steering bearings.
2. If either wheel is wobbling
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.
3. If the motorcycle pulled to one side.
Front and rear wheels are not aligned.
Bent front fork.
Bent rear fork.
POOR PERFORMANCE(AT HIGH SPEED)
1. Check the ignition timing and
Incorrect.
Faulty valve clearance adjustment.
valve clearance.
Faulty ECU unit.
Faulty pulse generator.
2. Disconnect fuel tube at
Fuel flows
No fuel to fuel tank.
carburetor. restricted.
Carburetor choke closed.
Clogged fuel tube.
Clogged fuel tank cap hole.
Clogged fuel strainer or screen.
3. Remove the carburetor and
Clogged.
Damaged fuel strainer or screen.
check for clogged jets.
4. Check valve timing
Incorrect.
Cam sprocket not installed properly.
5. Check valve spring tension.
Weak.
Faulty valve spring.
INSPECTION
CAUSE OF TROUBLE
INSPECTION
CAUSE OF TROUBLE
Correct.
Correct.
Fuel flows freely.
No clogged.
Summary of Contents for VJF125
Page 1: ......
Page 2: ......
Page 19: ...1 16 GENERAL INFORMATION WIRING DIAGRAM...
Page 20: ...1 17 GENERAL INFORMATION...
Page 21: ...1 18 GENERAL INFORMATION...
Page 22: ...1 19 GENERAL INFORMATION...
Page 23: ...MEMO...
Page 39: ...MEMO...
Page 46: ...MEMO...
Page 47: ...4 0 FUEL SYSTEM...
Page 51: ...MEMO...
Page 101: ...6 0 COOLING SYSTEM...
Page 113: ...7 0 ENGINE REMOVAL INSTALLATION...
Page 117: ...8 0 CLUTCH GEARSHIFT...
Page 130: ...MEMO...
Page 131: ...9 0 A C GENERATOR STARTER CLUTCH...
Page 140: ...MEMO...
Page 141: ...10 0 CYLINDER HEAD VALVES...
Page 153: ...11 0 CYLINDER PISTON...
Page 160: ...MEMO...
Page 161: ...12 0 CRANKCASE TRANSMISSION CRANKSHAFT...
Page 174: ...MEMO...
Page 175: ...13 0 EXTERNAL PARTS...
Page 181: ...14 0 FRONT WHEEL FRONT FORK STEERING...
Page 205: ...15 0 REAR WHEEL REAR SUSPENSION...
Page 217: ...16 0 HYDRAULIC BRAKE FRONT REAR...
Page 248: ...MEMO...
Page 249: ...18 0 IGNITION SYSTEM BATTERY ECU FUSE BOX AC GENERATOR REGULATOR RECTIFIER IGNITION COIL...
Page 278: ...MEMO...
Page 279: ...MEMO...
Page 280: ...MEMO...
Page 281: ...MEMO...
Page 282: ...22 WIRING DIAGRAM...
Page 283: ...22 1 WIRING DIAGRAM 22...
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Page 285: ......
Page 286: ...22 WIRING DIAGRAM 2 1 09 01 25 17 16 08 32 24 37 36 34 33 39 38 35 40 1 2 1 2 2 1...
Page 287: ...SERVICEMANUAL 2009 10 PRINTED 2009 10 PUBLICATION C CO OP PY Y P PR RO OH HI IB BI IT T...
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