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
If it fails: lemon-manuals.org.ua

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Testing and Inspection Procedures

Timing Mark:






Basic Ignition Timing
Basic ignition timing can be checked using a strobe timing light to look at timing marks on the flywheel. Follow the instructions of the timing light manufacturer. A plug covers the access hole in the top of the transmission housing. The access hole and the flywheel timing marks are shown in the image above.