Fuel System - Yamaha F30B 2018 Service Manual

Fuel system ........................................................................ 6-1

Reducing the fuel pressure ........................................................ 6-1
Disconnecting the quick connector............................................. 6-1
Measuring the fuel pressure....................................................... 6-1
Checking the pressure regulator ................................................ 6-3
Fuel filter ............................................................................. 6-4
Removing the fuel filter assembly .............................................. 6-5
Checking the fuel filter assembly................................................ 6-5
Checking the fuel filter element .................................................. 6-5
Checking the fuel cup assembly................................................. 6-5
Checking the primer pump ......................................................... 6-6
Checking the fuel joint ................................................................ 6-6
Assembling the fuel filter assembly ............................................ 6-6
Installing the fuel filter assembly ................................................ 6-7
Fuel pump assembly.......................................................... 6-8
Checking the fuel pump assembly ............................................. 6-9
Disassembling the fuel pump ..................................................... 6-9
Checking the diaphragm and valve .......................................... 6-10
Assembling the fuel pump ........................................................ 6-10
Installing the fuel pump assembly ............................................ 6-11
Intake silencer, intake manifold and throttle body........ 6-12
Checking the throttle body........................................................ 6-13
Checking the intake manifold ................................................... 6-13
Checking the vapor shut-off valve ............................................ 6-13
Installing the intake manifold .................................................... 6-13
Throttle link rod ................................................................ 6-14
Installing the throttle link........................................................... 6-15
Adjusting the throttle link rod .................................................... 6-15
Vapor separator................................................................ 6-17
Draining the fuel ....................................................................... 6-18
Removing the vapor separator ................................................. 6-18
Installing the vapor separator ................................................... 6-18
Fuel system