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

Side Clearance	New	Wear Limit
Compression Ring	0.02 - 0.08 mm	0.10 mm
Oil Scraper ring	0.02 - 0.08 mm	0.10 mm
End Gap	New	Wear Limit
1. Compression Ring	0.35 - 0.50 mm	1.0 mm
2. Compression Ring	0.50 - 0.70 mm	1.4 mm
Oil Scraper Ring	0.25 - 0.50 mm	0.8 mm