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Home >> Subaru >> 2008 >> Outback F4-2.5L SOHC >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Block Assembly >> Piston, Engine
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Piston, Engine

Piston
Outer diameter
Standard
A 99.505 - 99.515 mm (3.9175 - 3.9179 in)
B 99.495 - 99.505 (3.9171 - 3.9175)
0.25 (0.0098) OS 99.745 - 99.765 mm (3.9270 - 3.9278 in)
0.50 (0.0197) OS 99.995 100.015 mm (3.9368 - 3.9376 in)
Piston Pin
Clearance between piston and piston pin Standard 0.004 - 0.008 mm (0.0002 - 0.0003 in)
Degree of fit Piston pin must be fitted into position with thumb at 20°C (68°F).