2005 Yamaha F90TR 90HP Outboards Factory Service Manual, Page 45Get this manual
Fuel system
Special service tools .4-1 Hose routing .4-2 Fuel and blowby hoses4-2 Fuel filter and fuel pump 4-3 Checking the fuel pump.4-5 Disassembling the fuel pump 4-5 Checking the diaphragm and valves .4-6 Assembling the fuel pump 4-6 Intake manifold4-7 Checking the throttle position sensor 4-9 Installing the throttle position sensor .4-9 Checking the idle speed control 4-9 Vapor separator 4-10 Reducing the fuel pressure 4-13 Disconnecting the quick connector 4-13 Measuring the fuel pressure 4-13 Checking the pressure regulator 4-14 Draining the fuel 4-15 Removing the fuel hose clamp 4-15 Installing the fuel hose clamp 4-15 Disassembling the vapor separator 4-15 Checking the vapor separator .4-16 Assembling the vapor separator4-16 Adjusting the float 4-17 Canister.4-18 Checking the canister 4-19