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

COMPONENT UNIT: mm (in)

INTAKE VALVE SPRING FREE LENGTH
Chuo Hatsujo 54.81 (2.1578)
Nihon Hatsujo/
Associated Spring 54.82 (2.1582)
Chuo Hatsujo [1] 53.16 (2.0929)
Nihon Hatsujo [1] 53.15 (2.0925)

EXHAUST VALVE SPRING FREE LENGTH
Chuo Hatsujo 55.80 (2.1968)
Nihon Hatsujo/
Associated Spring 56.28 (2.2157)
Chuo Hatsujo [1] 55.80 (2.1968)
Nihon Hatsujo [1] 55.78 (2.1961)

[1] F22A6 Engine