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

Compression (350 rpm and fully open throttle):
Standard 981 - 1,177 kPa (10 - 12 kgf/cm2, 142 - 171 psi)
Limit 882 kPa (9.0 kgf/cm2, 128 psi)
Difference between cylinders Less than 49 kPa (0.5 kgf/cm2, 7 psi)