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

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Piston, Engine

GENERAL SPECIFICATIONS

Piston
Piston diameter-coded STD 100.380 - 100.400 mm (3.952 - 3.9528 inch)
Piston diameter-coded 0.5 100.880 - 100.900 mm (3.972 inch)
Piston diameter-coded 1.0 101.350 - 101.370 mm (3.990 - 3.991 inch)
Piston-to-cylinder bore clearance 0.030 - 0.060 mm (0.0012 - 0.002 inch)
Piston pin bore diameter (red) 24.007 - 24.010 mm (0.945 inch)
Piston pin bore diameter (blue) 24.010 - 24.013 mm (0.945 inch)
Piston pin diameter (red) 23.994 - 23.997 mm (0.9446 - 0.9447 inch)
Piston pin diameter (blue) 23.997 - 24.000 mm (0.9447 - 0.9449 inch)
Piston pin length 72.0 - 72.8 mm (2.835 - 2.866 inch)
Piston pin-to-piston pin fit 0.01 - 0.016 mm (0.0004 - 0.0006 inch)
Piston pin-to-connecting rod clearance Press fit 0.018 to 0.042 mm (0.0007 to 0.0017 inch)