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

Piston

Piston diameter 90.180 ± 0.005 mm (3.5504. ± 0.0002 inch)
Piston-to-cylinder bore clearance -0.005 to +0.025 mm (-0.0002-0.001 inch)
Piston ring groove width - top 1.53-1.55 mm (0.0602-0.061 inch)
Piston ring groove width - intermediate 1.52-1.54 mm (0.0598-0.0606 inch)
Piston ring groove width - oil control 3.030-3.050 mm (0.1193-0.1201 inch)
Piston pin bore diameter 22.008-22.014 mm (0.8665-0.8667 inch)
Piston pin-to-piston fit (clearance) 0.005-0.0135 mm (0.0002-0.0005 inch)