Forester F4-2.5L SOHC (2004)
Spark Plug: Service and Repair
Removal and Installation
Ignition System
REMOVAL
CAUTION: All spark plugs installed on an engine, must be of the same heat range.
Spark plug
CHAMPION: RC10YC4
NGK: BKR5E-11 (Alternate)
NGK: BKR6E-11 (Alternate)
RH SIDE