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 Ring, Engine
Piston Rings Ring end gap
Keystone
0.29-0.55 mm (0.011-0.021 inch)
Intermediate compression
1.40-1.66 mm(0.055-0.065 inch)
Oil control
0.24-0.50 mm (0.009-0.019 inch)
Ring groove width (measured over 2.08 mm [0.082 inch] gauge pins)
Upper limit
94.469 mm (3.719 inch)
Replacement limit
94.290 mm (3.712 inch)