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 logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Compression Check: Specifications

Compression
Pressure check at 250 rpm with wide open throttle
Minimum 980 kPa (10.0 kgf/cm2, 142 psi)
Maximum variation 200 kPa (2.0 kgf/cm2, 28 psi)