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: Specifications

Compression pressure
at 250 rpm
STD 1,200 kPa (12.2 kgf/cm2, 174 psi) or more
Minimum 1,000 kPa (10.2 kgf/cm2, 145 psi)
Difference of pressure between each cylinder 100 kPa (1.0 kgf/cm2, 15 psi) or less