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:

Brake Fluid Level Inspection
Check that the brake fluid level in the front brake reservoir [A] is above the lower level line [B]. NOTE Hold the reservoir horizontal by turning the handlebar when checking brake fluid level. If the fluid level is lower than the lower level line, fill the reservoir to the upper lev ...

Oil Pump Drive Gear Shaft Installation
Apply molybdenum disulfide grease [A] to the oil pump drive gear shaft. Apply molybdenum disulfide oil solution to the followings. Transmission Case [B] Crankcase [C] Install the oil pump drive gear shaft and washer [D] as shown in the figure. Install the new circlip [E] into the ...

Parts Removal/Installation
WARNINGGasoline is extremely flammable and can be explosive under certain conditions. Turn the ignition switch OFF. Do not smoke. Make sure the area is well-ventilated and free from any source of flame or sparks; this includes any appliance with a pilot light. NOTICE ...