Fuel System - Yamaha F150A Service Manual

Hose routing ...................................................................... 6-1
Fuel hose ................................................................................... 6-1
Air hose, pressure regulator hose, and vapor gas hose ............ 6-2
Blowby hose and cooling water hose ........................................ 6-4
Fuel line .............................................................................. 6-5
Reducing the fuel pressure ....................................................... 6-5
Measuring the fuel pressure ...................................................... 6-5
Checking the pressure regulator ............................................... 6-5
Fuel filter ............................................................................ 6-7
Removing the fuel filter assembly ............................................. 6-8
Checking the fuel filter assembly ............................................... 6-8
Disassembling the fuel filter assembly ...................................... 6-9
Checking the fuel filter element ................................................. 6-9
Checking the fuel cup assembly ................................................ 6-9
Checking the primer pump ........................................................ 6-9
Assembling the fuel filter assembly ........................................... 6-9
Installing the fuel filter assembly ............................................. 6-10
Fuel pump ........................................................................ 6-11
Removing the fuel pump assembly ......................................... 6-13
Checking the fuel pump assembly .......................................... 6-13
Disassembling the fuel pump assembly .................................. 6-14
Checking the diaphragm and valve ......................................... 6-14
Assembling the fuel pump assembly ....................................... 6-14
Installing the fuel pump assembly ........................................... 6-15
Canister and vapor shut-off valve ................................. 6-17
Removing the canister ............................................................. 6-18
Removing the vapor shut-off valve .......................................... 6-18
Checking the canister .............................................................. 6-18
Checking the vapor shut-off valve ........................................... 6-19
Installing the vapor shut-off valve ............................................ 6-19
Installing the canister ............................................................... 6-19
Intake silencer ................................................................ 6-21
Throttle link ...................................................................... 6-22
Removing the throttle link ........................................................ 6-23
Checking the throttle link ......................................................... 6-23

Fuel system

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