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 ring side clearance mm (in)
No. 1
Standard Value 0.03 - 0.07 (0.0012 - 0.0028)
Limit 0.1 (0.003)

No. 2
Standard Value 0.02 - 0.06 (0.0008 - 0.0024)
Limit 0.1 (0.003)

Piston ring end gap mm (in)
No. 1
Standard Value 0.15 - 0.30 (0.006 - 0.012)
Limit 0.8 (0.03)

No. 2
Standard Value 0.28 - 0.43 (0.011 - 0.017)
Limit 0.8 (0.03)

Oil ring side rail
Standard Value 0.10 - 0.40 (0.003 - 0.015)
Limit 1.0 (0.03)