Suzuki GSF650 Service Manual

Charging System: 1J-1
Engine
Charging System
Schematic and Routing Diagram
Charging System Diagram
B817H21A02001
Component Location
Charging System Components Location
B817H21A03001
Refer to “Electrical Components Location in Section 0A (Page 0A-10)”.
Diagnostic Information and Procedures
Charging System Symptom Diagnosis
B817H21A04001
SCR
IC
Generator
Regulator/Rectifier
Ignition switch
Battery
Load
I718H11A0001-01
Condition Possible cause Correction / Reference Item
Generator does not
charge
Open- or short-circuited lead wires, or
loose lead connections.
Repair, replace or connect properly.
Short-circuited, grounded or open
generator coil.
Replace.
Short-circuited or punctured regulator/
rectifier.
Replace.
Generator does charge,
but charging rate is below
the specification
Lead wires tend to get short- or open-
circuited or loosely connected at
terminals.
Repair or retighten.
Grounded or open-circuited generator
coil.
Replace.
Defective regulator/rectifier. Replace.
Defective cell plates in the battery. Replace the battery.
Generator overcharges Internal short-circuit in the battery. Replace the battery.
Damaged or defective regulator/rectifier. Replace.
Poorly grounded regulator/rectifier. Clean and tighten ground connection.
Unstable charging Lead wire insulation frayed due to
vibration, resulting in intermittent short-
circuitting.
Repair or replace.
Internally short-circuited generator. Replace.
Defective regulator/rectifier. Replace.

Suzuki GSF650 Specifications

General

Displacement	656 cc
Bore x Stroke	65.5 mm x 48.7 mm
Compression Ratio	11.5:1
Fuel System	Fuel injection
Ignition	Electronic ignition (transistorized)
Starter	Electric
Transmission	6-speed, constant mesh
Final Drive	Chain
Front Suspension	Telescopic, coil spring, oil damped
Rear Suspension	Link type, coil spring, oil damped
Front Tire	120/70ZR17M/C (58W), tubeless
Rear Tire	160/60ZR17M/C (69W), tubeless
Overall Length	2, 130 mm
Rear Brakes	Disc brake
Fuel Tank Capacity	19.0 L
Wheelbase	1, 470 mm
Seat Height	790 mm
Ground Clearance	135 mm
Engine Type	4-stroke, liquid-cooled, DOHC, 4-cylinder