Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-42794--1, Page 150Get this manual

Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-42794--1, Page 150

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3 Rotate drive shaft to 10 revolutions This will properly seat forward gear tapered roller bearing 4 Install components as shown 5 Position dial indicator on line of backlash indicator tool a"Narrow"