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

Pressure/Variation

Compression Test Data For Engine At Normal Operating Temperature
Specified Compression Value 26 - 32 bar (375 - 465 psi)
Minimum Compression Value approx. 18 bar (260 psi)
Permissible difference between cylinders 3.0 bar (43.5 psi) max.