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: Testing and Inspection
Clean
spark plugs as necessary with a wire brush or professional spark plug cleaner (follow manufacturer's instructions). Inspect the electrode and outer surfaces. Refer to Spark Plug Inspection Chart. Replace spark plugs if they are worn or damaged.
