Toyota Supra 1990 Manual page 109

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ENGINE MECHANICAL -

Cylinder Block

INSPECTION OF PISTON AND CONNECTING

ROD ASSEMBLIES

CLEAN PISTON

Using a gasket scraper, remove the carbon from the

Using a groove cleaning tool or broken ring, clean the

ring grooves.

Using a soft brush and solvent, thoroughly clean the

Do not damage the piston.

INSPECT PISTON DIAMETER AND OIL CLEARANCE

Using a micrometer, measure the piston diameter at

a right angle to the piston pin hole center line, 22 mm

(0.87 in.) from the piston head.

There are five sizes of standard piston diameter,

"0", "1", "2", "3"

accordingly. The

mark is stamped on the piston as shown in the illustration.

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