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:

Steering Play Inspection
Remove the lower fairings (see Lower Fairing Removal in the Frame chapter). Raise the front wheel off the ground with the jack. Special Tools - Jack: 57001-1238 Jack Attachment: 57001-1608 With the front wheel pointing straight ahead, alternately tap each end of the handlebar. The f ...

Throttle Grip and Cables
Free Play Inspection Refer to the Throttle Control System Inspection in the Periodic Maintenance chapter. Free Play Adjustment Refer to the Throttle Control System Inspection in the Periodic Maintenance chapter. Cable Installation Install the throttle cables in accordance with the Cable, ...

Storage
Preparation for Storage Clean the entire vehicle thoroughly Run the engine for about five minutes to warm the oil, shut it off, and drain the engine oil. WARNINGEngine oil is a toxic substance. Dispose of used oil properly. Contact your local authorities for approved disp ...