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

General Specifications

Bore Diameter (Bearing Counterbore Diameter)
Intake
Maximum 47.097 mm (1.8542 inch)
Minimum 47.072 mm (1.8532 inch)
Exhaust
Maximum 39.739 mm (1.5645 inch)
Cylinder Head Gasket Surface
Flatness [1] 0.018 mm (0.007 inch)
Resurface, Maximum 0.254 mm (0.010 inch)

[1] Over the entire cylinder head gasket surface.