1968 Evinrude Starflite 100 HP outboards Service Manual, Page 46Get this manual
bDisconnect all electrical connectionscRemove diode, pulse transformer, voltage regulator, and starter solenoiddDisconnect carburetor drain hose and remove carburetor, leaf valve assembly, fuel pump, and fuel hoses as described in Section 3eLoosen lift bracket screwsfUsing an appropriate flywheel holding fixture, remove flywheel nutRemove flywheel, using puller (Special Tool #378103)See Figure 5-8 on bench so that crankshaft is horizontal and crankcase is facing upWeight of power head should be supported by the four bosses on the four cylindersSee Figure 5-10
Figure 5-9Removing Power Head
DISASSEMBLY OF POWER HEAD
aDrive two taper pins out from cylinder block side towards crankcaseSee Figure 5-10 and 5-11Remove six large and eight small screws attaching crankcase to cylinder blockbRemove hex screws from upper crankcase head