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 Inspection

Note: Do measurement after warming-up engine, ignition switch off.

Standard 1,275 - 1,471 kPa (13.0 - 15.0 kgf/cm2), 185 - 213 psi)
Limit 1,128 kPa (11.5 kgf/cm2, 164 psi)


Note: Crank engine rpm to 350 rpm at wide open throttle. Take at least two measurements per cylinder, and make sure that the values are correct.