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
Spark Plug Inspection Check the following points. If a problem is found, replace the
spark plug.
1.
Damaged insulation
2.
Worn electrodes
3.
Carbon deposits
If cleaning is necessary, use a plug cleaner or a wire brush. Clean the upper insulator also.
4.
Damaged gasket
Plug gap 1.0 - 1.1 mm { 0.040 - 0.043 in }