Chrysler 100, 115 and 140 HP Outboard Motors Service Manual, OB 3439, Page 129Get this manual
ARemove hoses: upper sediment bowl to lower fuel pump; upper fuel pump to carburetor; upper fuel pump cover to top transfer port cover; lower fuel pump cover to boss on power head; lower fuel pump cover to lower cylinder drain cover; and top transfer port cover to upper cylinder drain cover BRemove fuel pumps (six [6] screws each) and fuel pump covers (four [4] screws each) Figure 10Removing Cylinder Drain Cover Assembly, Transfer Port Covers
4Remove exhaust port cover, plate and two (2) gaskets by removing twenty seven (27) screws securing them to power head Figure 11
Figure 9Removing Fuel System, Starboard Side(Twin Fuel Pumps, 140 H.P
Group screws by length
5Remove towershaft by removing four (4) screws securing two (2) towershaft brackets to power head