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

Cylinder Head Surface Variation

Flatness Of Gasket Surface Standard Value 0.03
Limit 0.2
Grinding Limit Of Gasket Surface Limit 0.2
*Includes/Combined With Cylinder Block Grinding
Oversize Valve Guide Hole
(both intake and exhaust)
0.5 Standard Value 11.05 - 11.07
0.25 Standard Value 11.25 - 13.32
0.50 Standard Value 11.50 - 11.52
Oversize Intake Valve Seat Hole Ring 0.3 Standard Value 34.30 - 34.33
0.6 Standard Value 34.60 - 34.63
Oversize Exhaust Valve Seat Hole Ring 0.3 Standard Value 31.80 - 32.83
0.6 Standard Value 32.10 - 32.13