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)

Or, hide this message: temporarily or permanently

Piston Ring, Engine

End Gap (With Gauge Diameter)
Top Ring 0.20-0.35 mm (0.0079-0.0138 inch)
Second Ring 0.20-0.35 mm (0.0079-0.0138 inch)
Oil Ring 0.20-0.70 mm (0.0079-0.0276 inch)

Ring Clearance, Minimum-Maximum
Top Ring 0.045-0.080 mm (0.0018-0.0031 inch)
Second Ring 0.030-0.070 mm (0.0012-0.0028 inch)
Oil Ring 0.060-0.150 mm (0.0024-0.0059 inch)

Width
Top Ring 1.170-1.185 mm (0.0481-0.0467 inch)
Second Ring 0.200-0.350 mm (0.0079-0.0138 inch)