Spark Plug - Recommendations

87subaru2

NUMBER 02-55-87


DATE 10-05-87
APPLICABILITY

ALL SUBARU "J" MODELS AND VEHICLES WITH SPI FUEL SYSTEMS

SUBJECT: USE OF CHAMPION SPARK PLUGS

This Bulletin is for Information Only


Champion RN-9YC4 Spark Plugs have been approved for use in all SPI Fuel Systems and Justy 1.2 Litre 3 Cylinder Engines. See the chart below listing all the recommended replacement spark plug types.


SPARK PLUG REPLACEMENT RECOMMENDATIONS
1.8 Litre SPI Fuel System

NGK: BPR6ES-11 (or BPR5ES-11, BPR7ES-11)
Nippondenso: W20EPR-U11 (or W16EPR-11, W22EPR-U11)
Champion: RN9YC-4
Justy 1.2 Litre

NGK: BPR6ES-11
Nippondenso: W20EPR-U11
Champion: RN9YC-4
Note: The use of Champion RN11YC-4 is not recommended in SPI Fuel System vehicles or Justy models.