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)
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Piston Ring, Engine
Ring w/head pin
Protrusion height
3 mm (0.12 inch)
Piston ring ring groove clearance
0.030 - 0.070 mm (0.0012 - 0.0028 inch)
End gap
Standard
No.1
0.22 - 0.32 mm (0.0087 - 0.0126 inch)
No.2
0.50 - 0.60 mm (0.0197 - 0.0236 inch)
Oil (side rail)
0.10 - 0.35 mm (0.0039 - 0.0138 inch)
Maximum
No.1
0.89 mm (0.0350 inch)
No.2
1.35 mm (0.0531 inch)
Oil (side rail)
0.73 mm (0.0287 inch)