2002/2003 Johnson SN/ST 2 Stroke 3.5, 6 8 HP Outboards Service Repair Manual, PN 5005466, Page 29Get this manual
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SPECIAL TOOLS AND SERVICE SPECIFICATIONS TECHNICAL DATA
Bore Stroke Standard Bore Top Crankshaft Journal Center Crankshaft Journals Bottom Crankshaft Journal Rod Crankpin Piston Diameter,