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)

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Piston Pin, Engine

PISTON PIN
Piston pin outer diameter Unit: mm (inch)
Grade No. 0 21.989 - 21.995 (0.8657 - 0.8659)
Grade No. 1 21.995 - 22.001 (0.8659 - 0.8662)

Interference fit of piston pin to piston 0.002 - 0.006 (0.0001 - 0.0002)

Piston pin to connecting rod bushing clearance
Standard 0.005 - 0.017 (0.0002 - 0.0007)
Limit 0.030 (0.0012)

* Values measured at ambient temperature of 20 degrees C (68 degrees F)