1979 Johnson Outboards 4 HP Models Service Repair Manual P/N JM-7903, Page 56Get this manual
Quality of the image is intentionally reduced!
driven out from the back to the front of the crankcase See Figure 5-6 Remove screws attaching crankcase to cylinder bIock -
1 Seal 2 Bearing 3
Figure 5-7 Separating Crankcase Figure