Kawasaki Ninja Service Manual: Inquiries to Rider

Kawasaki Ninja Service Manual / Fuel System (DFI) / Troubleshooting the DFI System / Inquiries to Rider

DFI Diagnosis Flow Chart

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 help you reproduce the problem.
The following sample diagnosis sheet will help prevent you from overlooking any areas, and will help you decide if it is a DFI system problem, or a general engine problem.

Sample Diagnosis Sheet

Sample Diagnosis Sheet

Outline

When a problem occurs with DFI system, the warning indicator light (LED) [A] and FI warning symbol [B] goes on to alert the rider. In addition, the condition of the problem is stored in the memory ...

DFI System Troubleshooting Guide

NOTE This is not an exhaustive list, giving every possible cause for each problem listed. It is meant simply as a rough guide to assist the troubleshooting for some of the more common diff ...

Other materials:

Valve-to-Guide Clearance Measurement (Wobble Method)
If a small bore gauge is not available, inspect the valve guide wear by measuring the valve to valve guide clearance with the wobble method as indicated below. Insert a new valve [A] into the guide [B] and set a dial gauge against the stem perpendicular to it as close as possible to the cy ...

Fuel Injector Output Voltage Inspection
NOTE Be sure the battery is fully charged. Turn the ignition switch to OFF. Remove the ECU (see ECU Removal). Do not disconnect the ECU connector Connect a digital meter [A] to the connector (gray) [B] with the needle adapter set. Special Tool - Needle Adapter Set: 57001-1457 ...

Exploded View
AL: Tighten the two clamp bolts alternately two times to ensure even tightening torque. G: Apply grease. R: Replacement Parts G: Apply grease. L: Apply a non-permanent locking agent. R: Replacement Parts Specifications ...