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

Compression Check

Compression Pressure

Compression Pressure Standard 1225.83 kPa (12.5 kg/cm2, 177.79 psi) (200 - 250 rpm)
Minimum 1078.73 kPa (11.0 kg/cm2, 156.46 psi)
Difference between each cylinder 98 kPa (1.0 kg/cm2, 14 psi) or less