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, Engine
Piston diameter - Grade 1 (at right angle to pin bore)
90.175-90.165 mm (3.5502-3.5498 inch)
Piston diameter - Grade 2 (at right angle to pin bore)
90.185-90.175 mm (3.5506-3.5502 inch)
Piston diameter - Grade 3 (at right angle to pin bore)
90.195-90.185 mm (3.5510-3.5506 inch)
Piston-to-cylinder bore clearance (at grade size)
0.025-0.045 mm (0.0010-0.0018 inch)