Operation CHARM: Car repair manuals for everyone.
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)

Or, hide this message: temporarily or permanently

Valve Spring

Valve Spring Diameter:




Valve Spring Diameter [1]:
25.9 mm (1.02 in)

Valve Spring Length With Different Loadings:




Valve Spring Length [1]:
L 45.5 mm (1.79 in) @ no load
L1 38.0 mm (1.50 in) @ 280-320 N (62-70 lbs)
L2 27.5 mm (1.08 in) @ 702-782 N (154-172 lbs)


_________________________________
[1]: Intake and Exhaust