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:

Connecting Rod Big End Bearing Insert Selection Crankshaft Main Bearing Insert Selection *: The bearing inserts for Nos. 2 and 4 journals have an oil groove, respectively. ...

Oxygen Sensor Removal (Equipped Models)
Remove: Fuel Tank (see Fuel Tank Removal in the Fuel System (DFI) chapter) Right Lower Fairing (see Lower Fairing Removal in the Frame chapter) Disconnect the oxygen sensor lead connector [A]. NOTICE Do not pull strongly, twist, or bend the oxygen sensor lead. This may cause the wi ...

Crankshaft Installation
NOTE If the crankshaft is replaced with a new one, refer to the Connecting Rod Big End Bearing/Crankshaft Main Bearing Insert Selection in the Specifications. NOTICE If the crankshaft, bearing inserts, or crankcase halves are replaced with new ones, select the bearing inserts and check cleara ...