2008 Evinrude E-TEC 55MFE Technical Manual, Page 35Get this manual
INSTALLATION AND PREDELIVERY OUTBOARD INSTALLATION Transom Brackets and Jack Plates When mounting an outboard on boats equipped with transom brackets or jack plates, refer to the manufacturer's recommendations Confirm maximum weight and horsepower capacities Jack plate assemblies must provide one-piece mounting surface to support the outboard, hydraulic unit, and steering system
Transom Measuring and Drilling
Hull Centerline
Use the chines of the boat as reference points to locate the centerline of the boat transomUse straightedge to draw line connecting the port and starboard chinesUse framing square to accurately place vertical line on the transomThe centerline of the hull should be in line with the keel, and perpendicular to the midpoint of the line connecting the chines