Yamaha Marine Outboards F4A/F4 Factory Service Manual, Page 190Get this manual

Yamaha Marine Outboards F4A/F4 Factory Service Manual, Page 190

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CRANKCASE, CRANKSHAFT AND CAMSHAFT
3 Measure: c
9 Camshaft diameter c

Out of specification Replace the camshaftCamshaft diameter (journal): 14.93414.984 mm (0.58800.5889 in)