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 Pin, Engine

STANDARD CLEARANCE BETWEEN PISTON PIN AND HOLE IN PISTON:
Standard 0.004 - 0.010 mm (0.0002 - 0.0004 inch)
Wear Limit 0.020 mm (0.0008 inch)

CLEARANCE BETWEEN PISTON PIN AND CONNECTING ROD BUSHING:
Standard 0 - 0.022 mm (0 - 0.0009 inch)
Wear Limit 0.030 mm (0.0012 inch)

Degree of Fit Fitted into Position with Thumb Pressure at 20°C (68°F)