Chrysler 100, 115 and 140 HP Outboard Motors Service Manual, OB 3439, Page 53Get this manual
3Check both throttle and choke assemblies for wear, excessive play in shaftetc CRemove E-ring from end of throttle shaftDUnhook small end of spring from drive pin on carburetor and pull shaft out of carburetor Figure 272Remove choke as follows :
Following steps cover disassembly of carburetorthe complete
1Disassemble throttle as follows: ARemove two (2) screws securing shutter to throttle shaft Figure 26
ARemove two (2) screws securing choke shutter to choke shaft and remove choke shutterFigure 28