Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Spark Plug: Application and ID

AC Type Spark Plug Identification Chart:






SPARK PLUG APPLICATION
This vehicle should be serviced with:
NGK: BPR6ES-11
Nippondenso: W2OEPR-U11
AC: R42XLS

The spark plugs should be set to 1.0 to 1.1 mm (0.039 to 0.043 in.).