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 Inspection
Wide Open Throttle (350 rpm)
Standard pressure 981-1,177 kPa (10-12 kgf/cm2, 142-171 psi)
Limit pressure 882 kPa (9.0 kgf/cm2, 121 psi)
Difference between cylinders 49 kPa (0.5 kgf/cm2, 7 psi)
Note: Perform at least two measurements per cylinder, and make sure that the values are correct.