Kawasaki Ninja Service Manual: Regulator/Rectifier Inspection

Kawasaki Ninja Service Manual / Electrical System / Charging System / Regulator/Rectifier Inspection

Regulator/Rectifier Inspection

If the tester readings are not as specified, replace the regulator/rectifier.

Regulator/Rectifier Inspection


Use only Kawasaki Hand Tester 57001-1394 for this test. A tester other than the Kawasaki Hand Tester may show different readings.

If a megger or a meter with a large capacity battery is used, the regulator/rectifier will be damaged.

Regulator/Rectifier Resistance (Unit: kΩ)

(−)*: Tester (−) Lead Connection

Charging System Circuit

Charging System Circuit

1. Ignition Switch

2. Load

3. Regulator/Rectifier

4. Alternator

5. Frame Ground

6. Starter Relay

7. Main Fuse 30 A

8. Battery

Alternator Inspection
There are three types of alternator failures: short, open (wire burned out), or loss in rotor magnetism. A short or open in one of the coil wires will result in either a low output, or no output at ...

Ignition System
WARNINGThe ignition system produces extremely high voltage. Do not touch the spark plug, ignition coil or ignition coil lead while the engine is running, or you could receive a s ...

Other materials:

Electrical Wiring
Wiring Inspection Visually inspect the wiring for signs of burning, fraying, etc. If any wiring is poor, replace the damaged wiring. Pull each connector [A] apart and inspect it for corrosion, dirt, and damage. If the connector is corroded or dirty, clean it carefully. If it is da ...

Parts Location
NOTE The front and rear wheel rotation sensors and rotors are standard parts of this motorcycle. Front Wheel Rotation Sensor [A] Front Wheel Rotation Sensor Rotor [B] Rear Wheel Rotation Sensor [C] Rear Wheel Rotation Sensor Rotor [D] ABS Indicator Light (LED) [E] KIBS Indicator Ligh ...

Brake Line Bleeding
The brake fluid has a very low compression coefficient so that almost all the movement of the brake lever or pedal is transmitted directly to the caliper for braking action. Air, however, is easily compressed. When air enters the brake lines, brake lever or pedal movement will be partially used ...