Johnson Evinrude Outboard Motors 1956-1970 1.5-40hp repair manual., Page 56Get this manual
POWERHEAD Once the crankshaft has been tapped, as described, and the proper sound heard, the cover will be jarred loose and may be removedCLEANING AND INSPECTING
These bolts usually have 716" head and all must be removed before the crankcase cover can be removedRemove the crankcase side boltsRemove the main bearing boltsTwo bol ts installed in the center are behind the reedsNormally these two are not actually bolts, but Allen head screwsAll six main bearing bolts must be removed before the crankcase cover can be removedINST ALLA TION Main bearing bolt and the crankcase side bolt installation is given in Section 3-15, Cylinder Block Assembling, under Main Bearing and Crankcase Side Bolt Installation3-12 CRANKCASE COVER