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 groove mm (in)
No.1
Standard value 0.02 - 0.06 (0.001 - 0.002)
Limit 0.10 (0.004)
No.2
Standard value 0.02 - 0.06 (0.001 - 0.002)
Limit 0.10 (0.004)
Piston ring end gap mm (in)
No.1
Standard value 0.18 - 0.28 (0.007 - 0.011)
Limit 0.8 (0.03)
No.2
Standard value 0.28 - 0.43 (0.011 - 0.017)
Limit 0.8 (0.03)
Oil
Standard value 0.10 - 0.34 (0.004 - 0.013)
Limit 1.0 (0.04)