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
Piston Ring Groove Clearance:
No. 1 And No. 2 0.020-0.060 mm (0.0008-0.0024 inch)
Piston Ring End Gap:
Standard:
No. 1 0.250-0.450 mm (0.0098-0.0177 inch)
No. 2 0.350-0.500 mm (0.0138-0.0197 inch)
Oil 0.150-0.550 mm (0.0059-0.0217 inch)
Maximum
No. 1 1.050 mm (0.0413 inch)
No. 2 1.100 mm (0.0433 inch)
Oil 1.150 mm (0.0453 inch)