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, Engine










Pistons

















Piston rings





Axial clearance
Upper compression ring 0.050-0.090 mm
Lower compression ring 0.030-0.070 mm
Oil ring 0.020-0.060 mm

Dimensions
Upper compression ring 1.2 mm
Lower compression ring 1.75 mm
Oil ring 3.0 mm

Wrist pin, diameter (All) 23.0 +0/-0.004 mm