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
Piston Ring Piston ring groove clearance
No.1
0.03 to 0.07 mm (0.0012 to 0.0028 in.)
No.2
0.02 to 0.06 mm (0.0008 to 0.0024 in.)
Piston ring end gap
Standard No.1
0.25 to 0.35 mm (0.0098 to 0.0138 in.)
No.2
0.35 to 0.50 mm (0.0138 to 0.0197 in.)
Oil (Side rail)
0.10 to 0.35 mm (0.0039 to 0.0138 in.)
Maximum No.1
0.91 mm (0.0358 in.)
No.2
1.60 mm (0.0417 in.)
Oil (Side rail)
0.82 mm (0.0323 in.)