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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Valve Spring: Specifications

Inner Spring Free Length	STD	1.4204 Inch (in)
	MIN	1.3780 Inch (in)
Outer Spring Free length	STD	1.5921 Inch (in)
	MIN	1.5441 Inch (in)
Inner Spring Preload	STD	15.2-17.4 at 1.08 Pound Force At Inch (lbf @ in)
	MIN	13.6 at 1.08 Pound Force At Inch (lbf @ in)
Outer Spring Preload	STD	33.9-39.2 at 1.25 Pound Force At Inch (lbf @ in)
	MIN	30.4 at 1.25 Pound Force At Inch (lbf @ in)