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
Piston
Piston Piston markings
Marking X appears as a large colored stamp in the middle of the
piston crown, small as an engraved feature -1-.
Marking + or - appears as a large colored stamp in the middle of the
piston crown, small as an engraved feature -2-.
