Kawasaki Ninja Service Manual: Crankshaft Sensor Removal/Installation

Crankshaft Sensor (Service Code 21)

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

Crankshaft Sensor Peak Voltage Inspection

Refer to the Crankshaft Sensor Peak Voltage Inspection in the Electrical System chapter. If the reading is within the standard, remove the ECU and check the wiring for continuity between harn ...

Other materials:

Lower Fairing Removal
Remove the quick rivets [A]. Remove: Quick Rivets [A] Bolts [B] Pull up the core by the flat-head screwdriver (–), and then remove the quick rivet. Clear the hook portions on the upper edges [C] from the slots, and remove the left lower fairing [D]. While pulling down ...

Air Suction Valve Inspection
Remove the air suction valve (see Air Suction Valve Removal). Visually inspect the reeds [A] for cracks, folds, warps, heat damage or other damage. If there is any doubt as to the condition of the reeds, replace the air suction valve as an assembly. Check the reed contact areas [B] of ...

DFI System Troubleshooting Guide
NOTE This is not an exhaustive list, giving every possible cause for each problem listed. It is meant simply as a rough guide to assist the troubleshooting for some of the more common difficulties in DFI system. The ECU may be involved in the DFI electrical and ignition system tro ...