10-14 SERVICING INFORMATION
ELECTRICAL
Complaint
Symptom and possible causes
Remedy
No sparking or poor
sparking
1. Defective ignition coil
2. Defective spark plug
3. Defective CKP sensor
4. Defective ECM
5. Defective TO sensor
6. Open-circuited wiring connections
Replace.
Replace.
Replace.
Replace.
Replace.
Check and repair.
Spark plug soon
become fouled with
carbon.
1. Mixture too rich
2. Incorrect gasoline
3. Dirty air cleaner element
4. Too cold spark plug
Inspect FI system.
Change.
Replace.
Replace with hot type plug.
Spark plug become
fouled too soon.
1. Worn piston rings
2. Worn piston or cylinder
3. Excessive clearance of valve stems in valve
guides
4. Worn stem oil seal
Replace.
Replace.
Replace.
Replace.
Spark plug elec-
trodes overheat or
burn
1. Too hot spark plug
2. Overheated the engine
3. Loose spark plug
4. Too lean mixture
Replace with cold type
plug.
Tune up.
Retighten.
Inspect FI system.
Generator does not
charge.
1. Open- or short-circuited lead wires, or loose lead
connections
2. Short-circuited, grounded or open generator coil
3. Short-circuited or punctured regulator/rectifier
Repair or replace or
retighten.
Replace.
Replace.
Generator does
charge, but charg-
ing rate is below the
specification.
1. Lead wires tend to get shorted or open-circuited
or loosely connected at terminals.
2. Grounded or open-circuited generator coil
3. Defective regulator/rectifier
4. Defective cell plates in the battery
Repair or retighten.
Replace.
Replace.
Replace the battery.
Generator over-
charges
1. Internal short-circuit in the battery
2. Damaged or defective regulator/rectifier
3. Poorly grounded regulator/rectifier
Replace the battery.
Replace.
Clean and tighten ground
connection.
Unstable charging
1. Lead wire insulation frayed due to vibration,
resulting in intermittent short-circuiting.
2. Internally shorted generator
3. Defective regulator/rectifier
Repair or replace.
Replace.
Replace.
Starter button is not
effective.
1. Run down battery
2. Defective switch contacts
3. Brushes not seating properly on starter motor
commutator
4. Defective starter relay/neutral relay
5. Defective main fuse/ignition fuse
Repair or replace.
Replace.
Repair or replace.
Replace.
Replace.
Summary of Contents for LT-A450X
Page 2: ...SUPPLEMENTS LT A450XK9 09 MODEL LT A450XK8 12 13 WIRING DIAGRAM 14 ...
Page 47: ...PERIODIC MAINTENANCE 2 29 ...
Page 48: ...2 30 PERIODIC MAINTENANCE ...
Page 63: ...ENGINE 3 7 Remove the engine mounting nuts Remove the engine from the right side ...
Page 215: ......
Page 315: ...7 24 COOLING AND LUBRICATION SYSTEM ENGINE LUBRICATION SYSTEM To cylinder head OIL PUMP ...
Page 316: ...COOLING AND LUBRICATION SYSTEM 7 25 EXHAUST SIDE INTAKE SIDE ...
Page 317: ......
Page 332: ...8 14 CHASSIS REAR CARRIER Remove the rear carrier REAR BOX Remove the rear box 1 ...
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Page 452: ...9 34 ELECTRICAL SYSTEM HEADLIGHT INSTALLATION Head light coupler Head light R Adjusting point ...
Page 484: ...10 26 SERVICING INFORMATION Rear box Rear fender Right mud guard Left mud guard ...
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