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: Specifications

Compression pressure:
Standard 1,275 kpa (13.0 kg/cm2, 185 psi) / 300 rpm
Minimum 981 kpa (10.0 kg/cm2, 142 psi) / 300 rpm

Differential limit between cylinders 98 kpa (1.0, kg/cm2, 14 psi) / 300 rpm