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:

Exploded View
13. Front Wheel Rotation Sensor B: Apply brake fluid. L: Apply a non-permanent locking agent. R: Replacement Parts S: Follow the specified tightening sequence. Si: Apply silicone grease (ex. PBC grease). 10. Rear Wheel Rotation Sensor B: Apply brake fluid. G: Apply gr ...

Spring Preload Adjustment
Remove the rear shock absorber from the frame (see Rear Shock Absorber Removal). Loosen the locknut and turn out the adjusting nut to free the spring. Special Tools - Hook Wrench T=3.2 R37: 57001-1539 Hook Wrench R=35: 57001-1580 To adjust the spring preload, turn in the adjusting n ...

Backups
The ECU takes the following measures to prevent engine damage when the DFI, ignition, S-KTRC or immobilizer system parts have troubles. Note: (1): D-J Method: When the engine load is light like at idling or low speed, the ECU determines the injection quantity by calculating fr ...