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
Valve Spring Free height mm (in)
46.90(1.8465)
Pressure N (kg, lb) at height mm (inch)
Standard
166-188 (16.9-19.2,37.3-42.3) at 37.0 (1.457)
Limit
378-426 (38.6-43.5,85.0-95.8) at 27.8 (1.094)
Out-of-square mm (in)
Less than 2.0 (0.079)