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

Piston Oil Clearance
Using a micrometer, measure the piston diameter at right angles to the piston pin center line, 27 mm (1.06 inch) from the piston head.
Piston diameter 74.945 - 74.955 mm (2.95058 - 2.95098 inch)
Subtract the piston diameter measurement from the cylinder bore diameter measurement.
Standard oil clearance 0.055 - 0.078 mm (0.00217 - 0.00307 inch)
Maximum oil clearance 0.08 mm (0.0031 inch)