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
Deviation
Maximum 1.6 mm (0.063 inch)
Angle (Reference)
Maximum
Free length 45.1 mm (1.776 inch)
Installed tension at 32.5 mm (1.280 inch) 149 - 165 Nm (15.2 - 16.8 kgf-cm, 33.5 - 37.1 ft. lbs.)
Maximum working tension at 23.9 mm (0.941 inch) 286 - 316 Nm (29.1 - 32.2 kgf-cm, 64.2 - 71.0 ft. lbs.)