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

Cylinder Compression

Engine at operating temperature
Throttle fully open
Cranking speed 200 - 300 rpm
Standard 1,050 - 1,400 kPa (11 - 14 kgf/cm2, 152 - 203 psi)
Difference between cylinders 100 kPa (1 kgf/cm2, 14 psi) or less