Yamaha F50A - Fuel System; Special Service Tools; Hose Routing; Fuel Line

62Y3A11
FUEL
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Fuel system
Special service tools .....................................................................................4-1
Hose routing...................................................................................................4-2
Fuel and blowby hoses..............................................................................4-2
Cooling water hose....................................................................................4-3
Fuel line ..........................................................................................................4-5
Fuel filter and fuel pump ...............................................................................4-7
Checking the fuel pump.............................................................................4-9
Disassembling the fuel pump ....................................................................4-9
Checking the diaphragm and valves .......................................................4-10
Assembling the fuel pump .......................................................................4-10
Carburetor unit.............................................................................................4-11
Carburetor.....................................................................................................4-17
Checking the carburetor ..........................................................................4-19
Checking the Prime Start.........................................................................4-20
Assembling the carburetor.......................................................................4-20
Adjusting the throttle link rod ...................................................................4-21
Adjusting the pilot screw..........................................................................4-22
Synchronizing the carburetors.................................................................4-23
Adjusting the dash-pot (acceleration pump) ............................................4-24