9-11 SERVICING INFORMATION
ELECTRICAL
Complaint
Symptom and possible causes
Remedy
No sparking or
poor sparking.
1. Defective ignition coils or spark plug caps.
2. Defective spark plugs.
3. Defective pick-up coil.
4. Defective ECU.
5. Defective RO switch.
6. Open-circuited wiring connections.
1. Mixture too rich.
2. Idling speed set too high.
3. Incorrect gasoline.
4. Dirty element in air cleaner.
5. Spark plugs too cold.
1. Worn piston rings.
2. Pistons or cylinders worn.
3. Excessive clearance of valve stems in valve guides.
4. Worn stem oil seal.
1. Spark plugs too hot.
2. The engine overheats.
3. Spark plugs loose.
4. Mixture too lean.
1. Lead wires tend to get shorted or open-circuited or loosely con-
nected at terminals.
2. Grounded or open-circuited stator coils of magneto.
3. Defective regulator / rectifier.
4. Defective cell plates in the battery.
1. Internal short - circuit in the battery.
2. Resistor element in the regulator / rectifier damaged or defective.
3. Regulator / rectifier poorly grounded.
1. Open - or short - circuited lead wirse, or loose lead connections.
2. Short - circuited, grounded or open stator coil.
3. Short - circuited or punctured regulator / rectifier.
1. Lead wire insulation frayed due to vibration resulting in intermit-
tent shorting.
2. Magneto internally shorted.
3. Defective regulator / rectifier.
1. Battery run down.
2. Defective switch contacts.
3. Brushes not seating properly on commutator in starter motor.
4. Defective starter relay / ignition interlock switch.
5. Defective main fuse.
Replace.
Replace.
Replace.
Replace.
Replace.
Check and repair.
Inspect EI system.
Inspect EI system.
Change.
Clean or replace.
Replace by hot type plug.
Replace.
Replace.
Replace.
Replace.
Replace by cold type plug.
Tune up.
Retighten.
Inspect EI system.
Repair or retighten.
Replace.
Replace.
Replace the battery.
Replace the battery.
Replace.
Clean and tighten ground
connection.
Repair or replace or retighten.
Replace.
Replace.
Repair or replace.
Replace.
Replace.
Recharge or replace.
Replace.
Repair or replace.
Replace.
Replace.
Spark plug soon
become fouled
with carbon.
Spark plug
become fouled
too soon.
Magneto charge,
but charging
rate is below the
specification.
Magneto
overcharges.
Magneto does not
charge.
Unstable charging.
Starter switch is
not effective.
Spark plug
electrodes
overheat or burn.
Содержание 2010 ST7
Страница 5: ...NOTE Difference between photographs and actual motorcycles depends on the markets...
Страница 15: ...1 7 GENERAL INFORMATION EXTERIOR ILLUSTRATION Unit mm...
Страница 161: ...5 1 FUEL SYSTEM AND THROTTLE BODY FUEL SYSTEM...
Страница 166: ...FUEL SYSTEM AND THROTTLE BODY 5 6 THROTTLE BODY...
Страница 225: ...8 21 CHASSIS FRONT FORK...
Страница 239: ...8 35 CHASSIS NOTE Hold the front fork legs move them back and forth and make sure that the steering is not loose...
Страница 250: ...CHASSIS 8 46 REMOVAL Remove the rear shock absorbers by removing their bolts and nuts REAR SHOCK ABSORBER...
Страница 286: ...SERVICING INFORMATION 9 30 WIRE AND CABLE ROUTING...
Страница 287: ...9 31 SERVICING INFORMATION...
Страница 288: ...SERVICING INFORMATION 9 32...
Страница 289: ...9 33 SERVICING INFORMATION...
Страница 290: ...SERVICING INFORMATION 9 34...
Страница 291: ...9 35 SERVICING INFORMATION...
Страница 292: ...SERVICING INFORMATION 9 36...
Страница 293: ...9 37 SERVICING INFORMATION WIRING DIAGRAM...
Страница 294: ...SERVICING INFORMATION 9 38...
Страница 297: ...Prepared by 1st Ed JAN 2010 Manual No 99000H99D10 Printed in Korea...
Страница 298: ...S T Motors Co Ltd...