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

PISTON RINGS
Ring Gap-Top Compression Ring 0.25-0.51 mm (0.0098-0.020 in.)
Wear Limit 0.8 mm (0.031 in.
Ring Gap-2nd Compression Ring 0.23-0.48 mm (0.009-0.018 in.)
Wear Limit 0.8 mm (0.031 in.
Ring Gap-Oil Control Steel Rails 0.25-0.64 mm (0.009-0.025 in.)
Wear Limit 1.0 mm (0.039 in.)
Ring Side Clearance- Compression Rings 0.030-0.080 mm (0.0011-0.0031 in.)
Wear Limit 0.10 mm (0.004 in.
Ring Side Clearance-Oil Ring Pack 0.012-0.178 mm (0.0004-0.0070 in.)
Ring Width- Compression Rings 1.47-1.50 mm (0.057-0.059 in.)
Ring Width-Oil Ring Pack 2.72-2.88 mm (0.107-0.1133 in.)