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
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Valve Spring

Free Length (Approximately) 44.4 mm (1.747 inch)
Nominal Force (Valve closed) 91 Nm @ 39.8 mm (67 ft. lbs. @ 1.57 inch)
Nominal Force (Valve open) 239 Nm @ 32.6 mm (176 lbs. @ 1.28 inch)
Installed Height 40.18 mm (1.580 inch)