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:

Coolant Filling
Remove the bolts and quick rivets. Detach the tabs and remove the right fairing and cover. A. Bolts B. Quick Rivet C. Large Quick Rivet D. Tabs E. Right Fairing and Cover NOTE The right fairing and cover uses the quick rivets and large quick rivet. The large quick rivet ca ...

Tightening Sequence
Generally, when installing a part with several bolts, nuts, or screws, start them all in their holes and tighten them to a snug fit. Then tighten them according to the specified sequence to prevent case warpage or deformation which can lead to malfunction. Conversely when loosening the bolts, n ...

System Components
1. FI ECU The FI ECU analyzes the motorcycle conditions based on the signals from the front/rear wheel rotation sensors and FI sensors (such as the crankshaft sensor and main throttle sensor), and controls engine power by reducing the number of ignition and retarding the ignition timing. The m ...