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





Compression Check

NOTE: This measurement must be done in as short a time as possible.

Compression pressure
Standard 1,422 kPa (14.5 kg/cm2, 206 psi) (250 - 400 rpm)

Minimum 1,275 kPa (13.0 kg/cm2, 185 psi)

Difference between each cylinder 98 kPa (1.0 kg/cm2, 14 psi) or less