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

Rework Dimensions

Cylinder head and valve Cylinder head Oversize valve guide hole (both intake and exhaust) 0.05 Standard value 11.05 - 11.07 mm
0.25 Standard value 11.25 - 13.32 mm
0.50 Standard value 11.50 - 11.52 mm
Oversize intake valve seat ring hole 0.3 Standard value 34.30 - 34.33 mm
0.6 Standard value 35.60 - 34.63 mm
Oversize exhaust valve seat ring hole 0.3 Standard value 31.80 - 32.83 mm
0.6 Standard value 32.10 - 32.13 mm
Crankshaft and drive plate Crankshaft Out of roundness and taper of journal and pin Standard value 0.005 mm