Suzuki DL1000 Service Manual

8-12 SERVICING INFORMATION
ELECTRICAL
Complaint Symptom and possible causes Remedy
No sparking or poor
sparking.
1. Defective ignition coil or camshaft position sensor.
2. Defective spark plugs.
3. Defective crankshaft position sensor.
4. Defective ECM.
5. Defective tip over sensor.
6. Open-circuited wiring connections.
Replace.
Replace.
Replace.
Replace.
Replace.
Check and repair.
Spark plugs soon
become fouled with
carbon.
1. Mixture too rich.
2. Idling speed set too high.
3. Incorrect gasoline.
4. Dirty air cleaner element.
5. Too cold spark plugs.
Consult FI system.
Adjust fast idle or throttle stop
screw.
Change.
Clean or replace.
Replace with hot type plugs.
Spark plugs become
fouled too soon.
1. Worn piston rings.
2. Worn piston or cylinders.
3. Excessive clearance of valve stems in valve guides.
4. Worn stem oil seal.
Replace.
Replace.
Replace.
Replace.
Spark plug electrodes
overheat or burn.
1. Too hot spark plugs.
2. Overheated the engine.
3. Loose spark plugs.
4. Too lean mixture.
Replace with cold type plugs.
Tune up.
Retighten.
Consult FI system.
Generator does not
charge.
1. Open- or short-circuited lead wires, or loose lead con-
nections.
2. Short-circuited, grounded or open generator coils.
3. Short-circuited or panctured regulator/rectifiers.
Repair or replace or retighten.
Replace.
Replace.
Generator does
charge, but charging
rate is below the
specification.
1. Lead wires tend to get short- or open-circuited or
loosely connected at terminals.
2. Grounded or open-circuited stator coils or generator.
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 resistor element in the regulator/
rectifier.
3. Poorly grounded regulator/rectifier.
Replace the battery.
Replace.
Clean and tighten ground con-
nection.
Unstable charging.
1. Lead wire insulation frayed due to vibration, resulting in
intermittent short-circuiting.
2. Internally short-circuited 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 commu-
tator.
4. Defective starter relay/starter interlock switch.
5. Defective main fuse.
Repair or replace.
Replace.
Repair or replace.
Replace.
Replace.

Suzuki DL1000 Specifications

General

Brand	Suzuki
Model	DL1000
Category	Motorcycle
Language	English