Kawasaki Ninja Service Manual: Crankshaft Sensor (Service Code 21)

Kawasaki Ninja Service Manual / Self-Diagnosis System / Crankshaft Sensor (Service Code 21)

The crankshaft sensor has no power source, and when the engine stops, the crankshaft sensor generates no signals.

Intake Air Pressure Sensor #2 Output Voltage Inspection
Measure the output voltage at the intake air pressure sensor #2 in the same way as input voltage inspection, note the following. Disconnect the intake air pressure sensor #2 connector and c ...

Crankshaft Sensor Removal/Installation
Refer to the Crankshaft Sensor Removal/Installation in the Electrical System chapter. Crankshaft Sensor Resistance Inspection Refer to the Crankshaft Sensor Inspection in the Electrical ...

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Spring Plate Free Play Measurement
Insufficient clutch free play will cause the engine braking effect to be more sudden, resulting in rear wheel hop. On the other hand, if the free play is excessive, the clutch lever may feel “spongy” or pulsate when pulled. Hold an extra drive shaft in a vise and install the following c ...

Brake Disc Wear Inspection
Measure the thickness of each disc [A] at the point where it has worn the most. If the disc has worn past the service limit, replace it. Measuring Area [B] Brake Disc Thickness Standard: Front 5.3 5.7 mm (0.21 0.22 in.) Rear 4.8 5.2 mm (0.19 0.20 in.) Service Limit: Front 5. ...

Crankshaft Removal
Split the crankcase (see Crankcase Splitting). Remove: Connecting Rod Big End Nuts [A] Connecting Rod Big End Caps [B] NOTE Mark and record the locations of the connecting rods and their big end caps so that they can be reassembled in their original positions. Remove the crank ...