1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 171Get this manual

1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 171

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POWERHEAD

aCrocus Cloth 6 Thoroughly clean crankshaft with solvent and dry with compressed air7 Recheck surfaces of crankshaft and replace crankshaft if surfaces can not be properly clean