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

Piston diameter - grade 1 (at right angle to pin bore) (uncoated) 90.182-90.167 mm (3.5504-3.5499 inch)
Piston diameter - grade 2 (at right angle to pin bore) (uncoated) 90.196-90.179 mm (3.551-3.5503 inch)
Piston diameter - grade 3 (at right angle to pin bore) (uncoated) 90.208-90.193 mm (3.5515-3.551 inch)
Piston-to-cylinder bore clearance (at grade size) 0.017-0.047 mm (0.0007-0.0019 inch)