2009 Yamaha F40 Outboard Service Manual, Page 138Get this manual
Fuel system
Hose routing 6-1
Fuel hose 6-1 Vapor gas hose 6-2 Cooling water hose 6-3
Fuel line 6-4
Reducing the fuel pressure 6-4 Disconnecting the quick connector 6-4 Measuring the fuel pressure 6-4 Checking the pressure regulator 6-5
Fuel filter assembly 6-6
Removing the fuel filter assembly 6-8 Checking the fuel joint 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 Assemble the fuel filter assembly 6-10 Installing the fuel filter assembly 6-10