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:

Dimmer Switch
High or low beam can be selected with the dimmer switch. When the headlight is on high beam ( ), the high beam indicator light goes on. High beam.......( ) Low beam.......( ) NOTE When the headlight is on high beam, both headlights go on. When the headlight is on low beam, only one headl ...

Rider’s Seat Installation
Insert the tabs on the front of the rider’s seat into the slots in the frame and secure the seat with mounting bolts. Install the seat cover and bolts. A. Rider’s Seat B. Tabs C. Slots D. Stays ...

Special Tools and Sealant
Oil Pressure Gauge, 5 kgf/cm²: 57001-125 Hand Tester: 57001-1394 Needle Adapter Set: 57001-1457 Extension Tube: 57001-1578 Fuel Pressure Gauge Adapter: 57001-1593 Fuel Hose: 57001-1607 Measuring Adapter: 57001-1700 Liquid Gasket, TB1211: 56019-120 ...