2003 ST 4 Stroke 9.9/15HP Johnson outboards Service Repair Manual P/N 5005714, Page 118Get this manual

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POWER UNIT INSPEClONSERVICING
head distotion (gasket suface)

Thickness gauge Straight gauge

Cylinder head distortion Service limit: 0.10 mm (0.004 in)
If exceed s

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