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

Piston

Diameter Measured 56 mm (2.205 inch) from the piston dome at 90 degrees to the pin	3.952 - 3.953
Piston to bore clearance	0.0008 - 0.0019
Pin bore diameter	0.9452 - 0.9453
Top ring grove width	0.0778 - 0.0783
Bottom ring groove width	0.1172 - 0.1177
Diameter-coded blue	3.972
Diameter-coded yellow	3.99