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

Top Groove Side Clearance 0.05 - 0.085 mm (0.002 - 0.0033 inch)
Second Groove Side Clearance 0.05 - 0.09 mm (0.002 - 0.0035 inch)
Top Ring Gap 0.15 - 0.36 mm (0.006 - 0.014 inch)
Second Ring Gap 0.5 - 0.71 mm (0.0197 - 0.0280 inch)
Groove Clearance 0.20 mm (0.008 inch)
Gap With Segment At 89.0 mm 0.25 - 1.27 mm (0.0098 - 0.05 inch)