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

Crank the engine with the throttle valve fully open and measure the compression pressure.
Standard value (at engine speed of 200 r/min) 1,618 kPa (234 psi)
Minimum limit (at engine speed of 200 r/min) 1,176 kPa (170 psi)