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
If it fails:
lemon-manuals.org.ua
Or, hide this message:
temporarily or
permanently
Spark Plug: Description and Operation
The
spark plugs allow the high voltage energy from the coils to arc across a gap to ignite the
air/fuel mixture.