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

End Gap:
No.1 Ring:
Standard Value 0.30 - 0.45 mm (0.0118 - 0.0177 inch)
Limit 0.8 mm (0.031 inch)
No.2 Ring:
Standard Value 0.45 - 0.60 mm (0.0177 - 0.0236 inch)
Limit 0.8 mm (0.031 inch)
Oil Ring:
Standard Value 0.10 - 0.35 mm (0.0039 - 0.0138 inch)
Limit 1.0 mm (0.039 inch)