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: Adjustments

Spark Plug Gap:






Check the spark plug gap, to make sure that it is within specification. Spark plug gap should be 1.05 mm (0.041 in.). If not spark plug gap should be adjusted by bending the ground side of electrode.