Yamaha F100B F100C Outboards Factory Service Manual, Page 71Get this manual
Fuel system
Special service tools .4-1 Hose routing .4-2 Fuel, blowby, and cooling water hoses4-2 Fuel line and fuel filter 4-3 Fuel pump 4-5 Checking the fuel pump.4-7 Disassembling the fuel pump 4-8 Checking the diaphragm and valves .4-8 Assembling the fuel pump 4-8 Throttle control4-9 Carburetor4-13 Checking the check valve4-15 Checking the fuel filters .4-15 Checking the carburetor 4-15 Checking the Prime Start.4-16 Assembling the carburetor4-17 Adjusting the throttle link rod 4-17 Adjusting the throttle position sensor.4-18 Adjusting the pilot screw4-19 Synchronizing the carburetors.4-20