2003 ST 4 Stroke 9.9/15HP Johnson outboards Service Repair Manual P/N 5005714, Page 132Get this manual

2003 ST 4 Stroke 9.9/15HP Johnson outboards Service Repair Manual P/N 5005714, Page 132

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POWER UNIT CYLINDERCRANKCASEPISTON ASSEMBLY Inspect: Water jacket ClogobstructionClean

Cylinder Piston diameter Cylinder
measuing

position:

50 (2.0 in) fro