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:

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 ...

Brake Light Switch Operation Inspection
Turn the ignition switch to ON. The brake light (LED) [A] should go on when the brake lever is applied or after the brake pedal is depressed about 10 mm (0.39 in.). If it does not, adjust the brake light switch. Remove the front footpeg bracket (see Brake Pedal Removal in the B ...

Inquiries to Rider
DFI Diagnosis Flow Chart Each rider reacts to problems in different ways, so it is important to confirm what kind of symptoms the rider has encountered. Try to find out exactly what problem occurred under exactly what conditions by asking the rider; knowing this information may h ...