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:

Turn Signal Switch
When the turn signal switch is pushed to the left ( ) or right ( ), the corresponding turn signals blink on and off. To stop blinking, push the switch in. Horn Button When the horn button is pushed, the horn sounds LAP/Passing Button When the LAP/passing button is pushed, the headlight hi ...

Front Footpeg Position
The right and left front footpegs can be selected to one of two positions to suit the front preferences. Have the front footpeg positions changed by an authorized Kawasaki dealer. A. Bolts B. Upper Position (Standard) C. Lower Position NOTE Install the front footpegs with same heig ...

Exhaust Butterfly Valve Actuator Removal
NOTICE Never drop the exhaust butterfly valve actuator especially on a hard surface. Such a shock to the actuator can damage it. Remove: Front Seat (see Front Seat Removal in the Frame chapter) Clamp [A] Screws [B] and Washers Slide the covers [A] and loosen the lock nuts [B] ...