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 squareness limit
2.0 mm (0.079 inch) NOTE: Use a square and surface plate to check each spring for squareness in terms of clearance between end of
valve spring and square. Valve springs found to exhibit a larger clearance than limit given above must be replaced.