RH Side

Remove the collector cover.
Disconnect the ground cable from battery.

Fig 1: Disconnecting The Ground Cable From Battery
Courtesy of SUBARU OF AMERICA, INC.
Remove the air cleaner case.
< Ref. to AIR CLEANER CASE . >
Disconnect the connector from ignition coil.
Remove the ignition coil.
NOTE: Turn the #3 ignition coil by 180° to remove it.

Fig 2: Removing #3 Ignition Coil
Courtesy of SUBARU OF AMERICA, INC.
Remove the spark plug with a spark plug socket.