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:

Fuel Hose Inspection (fuel leak, damage, installation condition)
If the motorcycle is not properly handled, the high pressure inside the fuel line can cause fuel to leak [A] or the hose to burst. Remove the fuel tank (see Fuel Tank Removal in the Fuel System (DFI) chapter) and check the fuel hoses. Replace the fuel hose if any fraying, cracks [B] or ...

Crankshaft Main Bearing Insert/Journal Wear Inspection
Split the crankcase (see Crankcase Splitting). Cut strips of plastigage to journal width. Place a strip on each journal parallel to the crankshaft installed in the correct position. Tighten the crankcase bolts to the specified torque (see Crankcase Assembly). NOTE Do not turn ...

Fuel Filter Cleaning
The fuel filter [A] is built into the fuel pump and can not be cleaned or checked. If the fuel filter is suspected of clogging or being damaged, replace it with the fuel pump as a set. Fuel Pump Circuit 1. Ignition Switch 2. Engine Stop Switch 3. Joint Connector E 4. ECU 5. Engine G ...