Operation CHARM: Car repair manuals for everyone.
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

DIMENSIONS
End Gap:
Ring 1:
End Gap 0.35 - 0.50 mm (0.014 - 0.020 inch)
Wear Limit 1.0 mm (0.039 1nch)
Ring 2:
End Gap 0.50 - 0.70 mm (0.020 - 0.028 inch)
Wear Limit 1.4 mm (0.055 1nch)
Ring 3:
End Gap 0.25 - 0.50 mm (0.010 - 0.020 inch)
Wear Limit 0.8 mm (0.032 1nch)
Side Clearance:
New 0.02-0.08 mm (0.001-0.003 inch)
Wear limit 0.10 mm (0.004 inch)