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:

Clutch Cover Removal
Remove: Right Lower Fairing (see Lower Fairing Removal in the Frame chapter) Clutch Cable Lower End (see Cable Removal) Clutch Cover Bolts [A] Turn the release lever [A] counterclockwise as shown, and remove the clutch cover. About 90° [B] ...

Average Mileage
This display mode shows the average mileage by numerical value counted from the start of measuring to present time. A. Average Mileage B. “AV km/L” While the average mileage is displayed, push the lower button and hold it in until the average mileage values resets to “– � ...

Battery Removal
Remove the rider’s seat (see Seats section in the GENERAL INFORMATION chapter). Turn the ignition switch to “OFF” and disconnect the (–) cable from the battery. Remove the red cap form the (+) terminal, and disconnect the (+) cables from the battery. NOTE The battery is ...