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

Ring Width
Compression
Top 1.47-1.49 mm (0.0578-0.0582 inch)
Bottom 1.46-1.49 mm (0.0574-0.0586 inch)
Oil Ring
Type Side Seal
Side Clearance
Maximum 0.15 mm (0.006 inch)
Ring Gap
Compression
Top 0.25-0.28 mm (0.010-0.030 inch)
Bottom 0.25-0.28 mm (0.010-0.030 inch)
Steel Rail 0.04-1.68 mm (0.016-0.066 inch)
Side Clearance
1st Ring 0.04-0.08 mm (0.0015-0.0032 inch)
2nd Ring 0.04-0.09 mm (0.0015-0.0035 inch)
Oil, Maximum 0.15 mm (0.006 inch)