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)

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Piston Specifications

<Except GSI Models>	Piston Diameter (Std.) Note: There are three standard sizes of pistons marked with a No. on top.	No.1	3.1862-3.1888
		No.2	3.1888-3.1870
		No.3	3.1870-3.1874
		Piston Clearance	.0024-.0031
<GSI Models>	Piston Diameter (Std.) Note: There are three standard sizes of pistons marked with a No. on top.	No.1	3.1846-3.1850
		No.2	3.1850-3.1854
		No.3	3.1854-3.1858
		Piston Clearance	.0039-.0047