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:

Transmission Assy Removal
Remove: Engine Sprocket (see Engine Sprocket Removal in the Final Drive chapter) Gear Position Switch (see Gear Position Switch Removal in the Electrical System chapter) Collar [A] O-ring [B] Remove: Clutch (see Clutch Removal in the Clutch chapter) Shift Shaft Assembly ...

City Light (LED) Removal/Installation
Remove: Upper Fairing Assembly (see Upper Faring Assembly Removal in the Frame chapter) Headlight (see Headlight Removal) Remove the screws [A], and take the city light [B] off the upper fairing assembly. Installation is the reverse of removal. Note the following. When inst ...

Rear Wheel Rotation Sensor Wiring Inspection (Service Code b 45)
Disconnect the rear wheel rotation sensor lead connector [A] (see Rear Wheel Rotation Sensor Removal in the Brakes chapter). Disconnect the KIBS hydraulic unit lead connector (see KIBS Hydraulic Unit Removal in the Brakes chapter). Check the wiring continuity of the G lead and R ...