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

Spark plug

NGK IZFR6K-11
DENSO SKJ20DR-M11

Gap
Standard (New) 1.0 - 1.1 (0.039 - 0.043)
Limit 1.3 (0.051)

Torque 18 N.m (13 lb.ft)

Do not adjust the gap, replace the spark plug if it is out of service limit.