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

Compression Pressure Intake 587.14 at 28.02 Newton At Millimeter (N @ mm)
Exhaust 587.14 at 28.02 Newton At Millimeter (N @ mm)
Free Length Intake 49.55 Millimeter (mm)
Exhaust 49.55 Millimeter (mm)
Installed Pressure Intake 244.64 at 40.0 Newton At Millimeter (N @ mm)
Exhaust 244.64 at 40.0 Newton At Millimeter (N @ mm)
Service Limit 10% Pressure Less at 28.02 Newton At Millimeter (N @ mm)