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 Pressure Inspection

Compression pressure 1,029kPa (10.5kgf/cm2, 149psi) (250 - 400 rpm)
Minimum pressure 882kPa (9.0kgf/cm2, 128psi)
Difference between each cylinder 98kPa (1.0kg/cm2, 14psi) or less