RH SIDE
1. Disconnect the ground cable from the battery.
2. Remove the air cleaner case. 
3. Disconnect the connector from ignition coil.
4. Remove the ignition coil.
NOTE:
Turn #3 ignition coil by 180 degrees to remove it.
5. Remove the spark plug with a spark plug socket.
6. Install in the reverse order of removal.
Tightening torque (Spark plug):
21 N·m (2.1 kgf-m, 15.5 ft-lb)
Tightening torque (Ignition coil):
16 N·m (1.6 kgf-m, 11.8 ft-lb)
LH SIDE
1. Remove the battery and battery carrier.
2. Disconnect the connector from ignition coil.
3. Remove the ignition coil.
NOTE:
Turn #4 ignition coil by 180 degrees to remove it.
4. Remove the spark plug with a spark plug socket.
5. Install in the reverse order of removal.
Tightening torque (Spark plug):
21 N·m (2.1 kgf-m, 15.5 ft-lb)
Tightening torque (Ignition coil):
16 N·m (1.6 kgf-m, 11.8 ft-lb)
RH SIDE
1. Disconnect the ground cable from the battery.
2. Remove the air cleaner case.
3. Disconnect the connector from ignition coil.
4. Remove the ignition coil.
NOTE:
Turn #3 ignition coil by 180 degrees to remove it.
5. Remove the spark plug with a spark plug socket.
6. Install in the reverse order of removal.
Tightening torque (Spark plug):
21 N·m (2.1 kgf-m, 15.5 ft-lb)
Tightening torque (Ignition coil):
16 N·m (1.6 kgf-m, 11.8 ft-lb)
LH SIDE
1. Remove the battery and battery carrier.
2. Disconnect the air duct from the secondary air pump.
3. Remove the bolts that attach the air duct to the rocker cover (LH), and lift the air duct.
4. Disconnect the connector from ignition coil.
5. Remove the ignition coil.
NOTE:
Turn #4 ignition coil by 180 degrees to remove it.
6. Remove the spark plug with a spark plug socket.
7. Install in the reverse order of removal.
Tightening torque (Spark plug):
21 N·m (2.1 kgf-m, 15.5 ft-lb)
Tightening torque (Ignition coil):
16 N·m (1.6 kgf-m, 11.8 ft-lb)
Tightening torque (Air duct):
9 N·m (0.9 kgf-m, 6.6 ft-lb)