Kawasaki Ninja Owners Manual: Spark Plugs

Kawasaki Ninja Owners Manual / Maintenance and adjustment / Spark Plugs

The standard spark plug is shown in the table. The spark plugs should be replaced in accordance with the Periodic Maintenance Chart.

Spark plug removal should be done only by a competent mechanic following the instructions in the Service Manual.

Spark Plug


Spark Plugs


A. Plug Gap

Coolant Filling
Remove the bolts and quick rivets. Detach the tabs and remove the right fairing and cover. A. Bolts B. Quick Rivet C. Large Quick Rivet D. Tabs E. Right Fairing and Cover NOTE T ...

Evaporative Emission Control System (California model only)
This system routes fuel vapors from the fuel system into the running engine or stores the vapors in a canister when the engine is stopped. Although no adjustments are required, a thorough visual ...

Other materials:

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 ...

Air Suction System Damage Inspection
Separate the air switching valve hose [A] from the lower air cleaner housing [B] (see Air Cleaner Housing Removal in the Fuel System (DFI) chapter). Connect the following parts temporarily. Fuel Pump Lead Connector [A] Extension Tube [B] Air Cleaner Housing (see Air Cleaner Hou ...

Exhaust Butterfly Valve Actuator Inspection
NOTE Be sure the battery is fully charged Remove the front seat (see Front Seat Removal in the Frame chapter). Turn the ignition switch to ON. In the left side view of the motorcycle, check to see the pulley [A] clockwise [B] and counterclockwise [C] smoothly. The pulley turns ...