Spark Plug: Service and Repair

Spark Plug

REMOVAL

CAUTION: All spark plugs installed on an engine, must be of the same heat range.

Spark plug:
NGK: ILFR6B

RH SIDE
1. Disconnect the ground cable from battery.
2. Remove the air cleaner lower case.




3. Disconnect the connector from ignition coil and ignitor assembly.




4. Remove the ignition coil and ignitor assembly.




5. Remove the spark plugs with the spark plug sockets.

LH SIDE
1. Remove the battery and battery carrier.
2. Remove the secondary air pump.




3. Disconnect the connector from ignition coil and ignitor assembly.




4. Remove the ignition coil and ignitor assembly.




5. Remove the spark plugs with the spark plug sockets.

INSTALLATION

RH SIDE
Install in the reverse order of removal.

Tightening torque (Spark plug): 21 Nm (2.1 kgf-m, 15.2 ft. lbs.)

Tightening torque (Ignition coil and ignitor assembly): 16 Nm (1.6 kgf-m, 11.7 ft. lbs.)

NOTE:
^ The above torque should be only applied to new spark plugs without oil on their threads.
^ In case their threads are lubricated, the torque should be reduced by approx. 1/3 of the specified torque in order to avoid over-stressing.

LH SIDE
Install in the reverse order of removal.

Tightening torque (Spark plug): 21 Nm (2.1 kgf-m, 15.2 ft. lbs.)

Tightening torque (Ignition coil and ignitor assembly): 16 Nm (1.6 kgf-m, 11.7 ft. lbs.)

NOTE:
^ The above torque should be only applied to new spark plugs without oil on their threads.
^ In case their threads are lubricated, the torque should be reduced by approx. 1/3 of the specified torque in order to avoid over-stressing.