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 (at 250 - 400 rpm):
Standard 1,350 kPa (192 psi)
Minimum 1,020 kPa (145 psi)

COMPRESSION PRESSURE DIFFERENCE OF ALL CYLINDER:
Maximum 100 kPa (145 psi)

VACUUM (at 750 ± 100 rpm):
Manifold 60 kPa (18 inches Hg)