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: Specifications

Maximum electrode gap for used spark plug:
1.41 mm (0.056 in.)


Correct electrode gap for new spark plug:
1.0 to 1.1 mm (0.039 to 0.043 in.)

Spark Plug x Cylinder Head
Torque: 20 Nm (204 kgf*cm, 14ft.-lbf)