Yamaha F100B F100C Outboards Factory Service Manual, Page 88Get this manual
Fuel system
Assembling the carburetor
1Install the main nozzle 1, main jet 2, pilot jet 3, plug 4, and valve seat to the carburetor body as shown
S60C4240
Pilot screw setting: 122 12 turns out
Adjusting the throttle link rod