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 Ring Compression:
Top Groove Side Clearance
Keystone Type Ring
Second Groove Side Clearance
0.039-0.079 mm (0.0015-0.0052 inch)
Top Ring Gap
0.26-0.51 mm (0.010-0.020 inch)
Second Ring Gap
0.75-1.00 mm (0.030-0.039 inch)
Piston Ring Oil:
Groove Clearance
0.040-0.090 mm (0.0016-0.0035 inch)
Gap
0.25-0.51 mm (0.010-0.020 inch)