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
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Spark Plug: Testing and Inspection
1.
Check the following and replace the
spark plugs as necessary.
-
Damaged insulation
-
Worn electrode
-
Carbon deposits
-
If cleaning is necessary, use a plug cleaner or a wire brush. Wipe upper insulator.
-
Damaged gasket
-
Burnt condition
-
Plug gap
Plug gap:
1.0 - 1.1 mm {0.040 - 0.043 in}