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:

Hub Bearing Inspection
Since the hub bearings are made to extremely close tolerances, the clearance can not normally be measured. NOTE Do not remove any bearings for inspection. If any bearings are removed, they will need to be replaced with new ones. Turn each bearing in the hub back and forth [A] while checki ...

What Are The Dealership’s Responsibilities?
Your Kawasaki dealer offers a wide range of services, parts, accessories, and information on your product and on Kawasaki. Each dealer is independently owned and operated and is responsible for the dealership’s operations, its repair, warranty, and service work, and its personnel. Your dea ...

Air Switching Valve Removal
NOTICE Never drop the air switching valve especially on a hard surface. Such a shock to the air switching valve can damaged it. Remove the air cleaner housing (see Air Cleaner Housing Removal in the Fuel System (DFI) chapter). Disconnect the connector [A]. Disconnect the hoses [B] from ...