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

Diameter - coded red	3.9987 - 3.9993
Diameter - coded blue	3.999 - 4.0005
Diameter - coded yellow	4.0011 - 4.0017
Top ring groove width	0.060 - 0.061
Bottom ring groove width	0.060 - 0.061
Oil ring groove width	0.1587 - 0.1597
Bore clearance selective fit	0.0012 - 0.0020
Piston Pin Bore Or Bushing I.D.	0.909 - 0.911