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: Specifications



Diameter [90° to bore axis and 16.55 mm below oil ring]
Standard 77.95-77.96 mm (3.0691-3.0698 in)
0.25 over 78.20-78.23 mm (3.079-3.080 in)
0.50 over 78.453-78.475 mm (3.089-3.090 in)
Piston-to-cylinder clearance
Standard 0.038-0.053 mm (0.0015-0.0020 in)
Maximum 0.10 mm (0.0039 in)