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 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
Standard 1,500 kPa (15.0 bar, 15.3 kg/cm2, 217.6 psi) / 200 rpm
Minimum 1,200 kPa (12.0 bar, 12.2 kg/cm2, 174 psi) / 200 rpm
Differential limit between cylinders 100 kPa (1 bar, 1 kg/cm2, 15 psi) / 200 rpm