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)

Or, hide this message: temporarily or permanently

Spark Plug

SPARK PLUGS

Turbo Engines
Bosch FR 6 DC
Champion RC 7 YC

Non-Turbo Engines
Bosch FR 7 DC
Champion RC 9 YC

Electrode gap: 0.7 - 0.8 mm
Torque (Not lubricated): 25 Nm (18.5 ft Ib)