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
Engine Overhaul
Piston ring side clearance
No. 1
Standard Value
0.03 - 0.07 mm (0.0012 - 0.0028 inch)
Limit
0.1 mm (0.003 inch)
No. 2
Standard Value
0.02 - 0.06 mm (0.0008 - 0.0023 inch)
Limit
0.1 mm (0.003 inch)
Piston ring end gap
No.1
Standard Value
0.20 - 0.30 mm (0.008 - 0.012 inch)
Limit
0.8 mm (0.03 inch)
No. 2
Standard Value
0.30 - 0.45 mm (0.012 - 0.018 inch)
Limit
0.8 mm (0.03 inch)