Suzuki DL650 Service Manual page 413

9-14 SERVICING INFORMATION
GENERATOR DOES CHARGE, BUT CHARGING RATE IS BELOW THE SPECIFICATION
Symptom, possible causes and remedy
Lead wires tend to get short- or open-circuited or
Repair or retighten.
loosely connected at terminals.
Grounded or open-circuited generator coil. Replace.
Defective regulatorlrectifier. Replace.
Defective cell plates in the battery. Replace the battery.
GENERATOROVERCHARGES
Symptom, possible causes and remedy
Internal short-circuit in the battery. Replace the battery.
Damaged or defective resistor element in the Replace.
regulatorlrectifier.
Poorly grounded regulatorlrectifier. Clean and tighten ground connection.
UNSTABLE CHARGING
Symptom, possible causes and remedy
Lead wire insulation frayed due to vibration,
Repair or replace.
resulting in intermittent short-circuiting.
Internally short-circuited generator. Replace.
Defective regulatorlrectifier. Replace.
STARTER BUTTON IS NOT EFFECTIVE
Symptom, possible causes and remedy
Run down battery. Repair or replace.
Defective switch contacts. Replace.
Brushes not seating properly on starter motor
Repair or replace.
commutator.
Defective starter relaylstarter interlock switch. Replace.
Defective main fuse. Replace.