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

GENERAL SPECIFICATIONS
Piston-Diameter
Coded Red 1 90.177-90.197 mm (3.550-3.551 inch)
Coded Blue 2 90.190-90.210 mm (3.5507-3.5515 inch)
Coded Yellow 3 90.203-90.223 mm (3.513-3.5521 inch)
Piston-to-Bore-Clearance 0.012-0.0026 mm (0.0005-0.001 inch)
Pin Bore Diameter 22.0015-22.004 mm (0.866-0.8663 inch)
Ring Groove Width
Compression (Top) 1.520-1.550 mm (0.06-0.610 inch)
Compression (Bottom) 1.520-1.530 mm (0.060-0.0602 inch)
Oil Ring 6.996-7.224 mm (0.275-0.2844 inch)