Kawasaki Ninja Service Manual: Spark Plug Condition Inspection

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

Remove the spark plugs (see Spark Plug Replacement in the Periodic Maintenance chapter).
Visually inspect the spark plugs.

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.

Measure the gap [D] with a wire-type thickness gauge.

If the gap is incorrect, replace the spark plug.

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

Use the standard spark plug or its equivalent.

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 No. ZXT00JE003023
1. Heat Insulation Rubber Plate 2. For Air Switching Valve Hoses (Place the air switching valve above the rubber plate.) 3. For Stick Coils 4. For Throttle Body Assy Holder #2 and #3 5. For Water Temperature Sensor 6. Insert the tab into the slot. 7. For Throttle Body Assy Holder #4 8. ...

Thermostat Inspection
Remove the thermostat (see Thermostat Removal). Inspect the thermostat valve [A] at room temperature. If the valve is open, replace the thermostat with a new one. To check valve opening temperature, suspend the thermostat [A] in a container of water and raise the temperature of ...

Stick Coil Installation
Apply a thin coat of grease [A] to the stick coils for easy installation. Insert the stick coils so that the coil heads align with the lines [B] on the cylinder head cover. NOTICE Do not tap the coil head while installing the coil. After installation, be sure the stick coils are ...