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:

Battery Installation
Visually inspect the surface of the battery container. If any signs of cracking or electrolyte leakage from the sides of the battery. Put the battery into the rear fender Install the band [A]. Connect the positive (+) cable [B] (red cap) to the positive (+) terminal first, and then ...

Rear Caliper Removal
Remove: Bolt [A] Rear Wheel Rotation Sensor [B] Loosen the banjo bolt [C] at the brake hose lower end, and tighten it loosely. Loosen the caliper holder pin [D]. Remove the rear wheel (see Rear Wheel Removal in the Wheels/Tires chapter). Unscrew the banjo bolt and remove t ...

Exploded View
13. Front Wheel Rotation Sensor B: Apply brake fluid. L: Apply a non-permanent locking agent. R: Replacement Parts S: Follow the specified tightening sequence. Si: Apply silicone grease (ex. PBC grease). 10. Rear Wheel Rotation Sensor B: Apply brake fluid. G: Apply gr ...