Kawasaki Ninja Service Manual: Spark Plug Condition Inspection

Kawasaki Ninja Service Manual / Electrical System / Ignition System / Spark Plug Condition Inspection

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.

If the gap is incorrect, replace the spark plug.

Spark Plug Gap: 0.8 0.9 mm (0.031
0.035 in.)


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:

Evaporative Emission Control System Inspection (CAL and SEA-B1 Models)
Inspect the canister as follows. Remove the upper fairing assembly (see Upper Fairing Assembly Removal in the Frame chapter). Remove the canister [A]. Visually inspect the canister for cracks or other damage. If the canister has any cracks or bad damage, replace it with a new one. NO ...

Transmission Assy Assembly
Install the ball bearing [A] until it is bottomed. Turn the oil seal side to the bottom. Special Tool - Bearing Driver Set: 57001-1129 Install the bearing holder [B]. Turn the flat side to the bottom. Apply a non-permanent locking agent to the bearing holder bolts [C]. Tighten: ...

Tire Repair
Currently two types of repair for tubeless tires have come into wide use. One type is called a temporary (external) repair which can be carried out without removing the tire from the rim, and the other type is called permanent (internal) repair which requires tire removal. It is generally unders ...