Kawasaki Ninja Service Manual: Spark Plug Condition Inspection

Kawasaki Ninja Service Manual / Electrical System / Ignition System / Spark Plug Condition Inspection

If the spark plug center electrode [A] and/or side electrode [B] are corroded or damaged, or if the insulator [C] is cracked, replace the plug.

If the spark plug is dirtied or the carbon is accumulated, replace the spark plug.

If the gap is incorrect, replace the spark plug.

Spark Plug Gap: 0.8 0.9 mm (0.031
0.035 in.)


Spark Plug Condition Inspection


Standard Spark Plug Type: NGK CR9EIA-9

Stick Coil Primary Peak Voltage Inspection
NOTE Be sure the battery is fully charged. Remove the stick coils (see Stick Coil Removal). Do not remove the spark plugs. Connect the ECU to the harness. Measure the primary peak voltag ...

Interlock Operation Inspection
Raise the rear wheel off the ground with the stand [A]. 1st Check Start the engine to the following conditions Condition: Transmission Gear → 1st Position Clutch Lever → ...

Other materials:

Engine Sprocket Removal
Remove: Engine Sprocket Cover Bolts [A] Engine Sprocket Cover [B] Flatten out the bended washer [A]. Remove the engine sprocket nut [B] and washer. NOTE When loosening the engine sprocket nut, hold the rear brake on. Raise the rear wheel off the ground with the stand. ...

Inquiries to Rider
Each rider reacts to problems in different ways, so it is important to confirm what kind of condition the rider is dissatisfied with. Try to find out exactly what problem occurs under exactly what conditions by asking the rider; knowing this information may help you reproduce the prob ...

ESD (Electronic Steering Damper) ECU Communication Error (Service Code 3C, ZX1000JD/KD)
ESD ECU Communication Line Inspection When the data (for status of ESD system) is not sent from the ESD ECU to the meter unit and ECU, the service code 3C is displayed. The data is sent through the CAN communication line. The service code 3C is detected with the meter unit. The FI symbol does ...