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
Perform compression test with engine at normal operating temperature,
spark plugs removed and throttle wide open. Cylinder compression pressure should be approximately 164 psi at 250 RPM. Maximum variation between cylinders should not exceed 16.4 psi.