Kawasaki Ninja Service Manual: Fuel Injector Audible Inspection

Kawasaki Ninja Service Manual / Fuel System (DFI) / Fuel Injectors / Fuel Injector Audible Inspection

NOTE

1. The engine speed is more than 6 000 r/min (rpm).

2. The throttle opening is more than 12В°.

Special Tool - Extension Tube: 57001-1578

Fuel Injector Audible Inspection


A sound scope can also be used.

The click interval becomes shorter as the engine speed rises.

Fuel Injector Audible Inspection


If all the fuel injectors click at a regular intervals, the fuel injectors are normal.

If any fuel injector does not click, check the fuel injector resistance (see Fuel Injector Resistance Inspection).

Fuel Injector Audible Inspection


Fuel Injectors
Primary Fuel Injector Removal/Installation Refer to the Throttle Body Assy Disassembly/Assembly. Secondary Fuel Injector Removal/Installation Refer to the Nozzle Assy Disassembly/Assembly. ...

Fuel Injector Resistance Inspection
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Other materials:

Intake Air Temperature Sensor Output Voltage Inspection
NOTE Be sure the battery is fully charged. Turn the ignition switch to OFF. Remove the fuel tank (see Fuel Tank Removal in the Fuel System (DFI) chapter). Disconnect the intake air temperature sensor connector and connect the measuring adapter [A] between these connectors as shown in ...

Electrical Wiring
Wiring Inspection Visually inspect the wiring for signs of burning, fraying, etc. If any wiring is poor, replace the damaged wiring. Pull each connector [A] apart and inspect it for corrosion, dirt, and damage. If the connector is corroded or dirty, clean it carefully. If it is da ...

Relay Circuit Inspection
Remove the relay box (see Relay Box Removal). Check conductivity of the following numbered terminals by connecting the hand tester and one 12 V battery to the relay box as shown in the figure (see Relay Box Internal Circuit in this section). If the tester does not read as specified, re ...