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

RING GAP CLEARANCE:
Top Compression Ring 0.229 - 0.610mm (0.0090 - 0.0240 inch)
2nd Compression Ring 0.483 - 0.965 mm (0.0190 - 0.03280 inch)
Oil Control Steel Rails 0.254 - 1.500 mm (0.010 - 0.060 inch)

RING SIDE CLEARANCE:
Compression Rings 0.042 - 0.084 mm (0.0017 - 0.0033 inch)
Oil Control Rings 0.06 - 0.21 mm (0.0024 - 0.0083 inch)