Yamaha F40B - Fuel System

67C3K11
FUEL
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Fuel system
Hose routing...................................................................................................4-1
Fuel hose, blowby hose, and cooling water hose......................................4-1
Fuel pump, fuel filter, and fuel joint .............................................................4-2
Checking the fuel pump.............................................................................4-4
Checking the fuel filter ...............................................................................4-4
Checking the fuel joint ...............................................................................4-5
Disassembling the fuel pump ....................................................................4-5
Checking the diaphragm and valve ...........................................................4-5
Assembling the fuel pump .........................................................................4-6
Carburetor unit...............................................................................................4-7
Carburetor ...............................................................................................4-10
Removing the carburetor .........................................................................4-12
Disassembling the carburetor..................................................................4-12
Checking the carburetor ..........................................................................4-12
Checking the Prime Start.........................................................................4-13
Assembling the carburetor.......................................................................4-14
Installing the carburetor ...........................................................................4-15
Adjusting the pilot screw..........................................................................4-15
Synchronizing the carburetor...................................................................4-17
Adjusting the dashpot ..............................................................................4-17