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

Spark Plug Coding:

Spark Plug Codeing Legend:

DESCRIPTION
Resistor-type, tapered-seat spark plugs are used on this engine. No gasket is used on these spark plugs. A dot before the spark plug code or the letter "C" after the number in the code indicates the spark plug has a copper core. Refer to Specification / Mechanical or to the vehicle emissions control information label for correct gap information.