Kawasaki Ninja Service Manual: DFI Power Source

Kawasaki Ninja Service Manual / Fuel System (DFI) / DFI Power Source

ECU Fuse Removal

Refer to the 30 A Main/15 A ECU Fuse Removal in the Electrical System chapter.

ECU Fuse Installation

If a fuse fails during operation, inspect the DFI system to determine the cause, and then replace it with a new fuse of proper amperage.

ECU Fuse Inspection

Refer to the Fuse Inspection in the Electrical System chapter.

ECU Main Relay Removal/Installation

The ECU main relay is built in the relay box [A].

ECU Main Relay Removal/Installation


ECU Main Relay Inspection

Refer to the Relay Circuit Inspection in the Electrical System chapter.

CAN Communication Line
CAN Communication Line Resistance Inspection In this model, resistors for CAN communication line are built in the ECU [A] and meter unit. Refer to the Meter Unit Inspection in the Electrical Sy ...

Fuel Line
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Other materials:

Stick Coil Primary Peak Voltage Inspection
NOTE Be sure the battery is fully charged. Remove the stick coils (see Stick Coil Removal). Do not remove the spark plugs. Connect the ECU to the harness. Measure the primary peak voltage as follows. Install the new spark plug [A] into each stick coil [B], and ground them onto ...

Cam Wear Inspection
Remove the camshafts (see Camshaft Removal). Measure the height [A] of each cam with a micrometer. If the cams are worn down past the service limit, replace the camshaft. Cam Height Standard: Exhaust 35.043 35.157 mm (1.3796 1.3841 in.) Intake 38.243 38.357 mm (1.5056 1.5101 in. ...

Air Switching Valve (Service Code 64)
Air Switching Valve Removal/Installation Refer to the Air Switching Valve Removal/Installation in the Engine Top End chapter. Air Switching Valve Inspection Refer to the Air Switching Valve Unit Test in the Electrical System chapter. If the air switching valve [A] is normal, check ...