Yamaha Marine Outboards Factory Service / Repair/ Workshop Manual 225G 250B L250B, Page 53Get this manual
FUEL CHAPTER FUEL SYSTEM
HIGH-PRESSURE FUEL LINE 4-1 REMOVINGINSTALLING THE HIGH-PRESSURE FUEL LINE 4-1 REDUCING THE FUEL PRESSURE (HIGH-PRESSURE FUEL LINE) 4-3 INSPECTING THE PRESSURE REGULATOR 4-4 FUEL INJECTORS 4-5 REMOVINGINSTALLING THE FUEL INJECTORS 4-5 DISASSEMBLINGASSEMBLING THE FUEL INJECTORS 4-6 INSPECTING THE FILTERS 4-7 FUEL HOSES 4-8 REMOVINGINSTALLING THE FUEL HOSES4-8 REMOVING THE HOSE CLAMPS 4-9 INSTALLING THE HOSE CLAMPS 4-9 VAPOR SEPARATOR 4-10 REMOVINGINSTALLING THE VAPOR SEPARATOR 4-10 REMOVINGINSTALLING THE PRESSURE REGULATOR 4-11 DISASSEMBLINGASSEMBLING THE VAPOR SEPARATOR 4-13 REMOVING THE HIGH-PRESSURE FUEL PUMP FILTER 4-14 INSTALLING THE HIGH-PRESSURE FUEL PUMP FILTER 4-14 HIGH-PRESSURE FUEL PUMP 4-15 DISASSEMBLINGASSEMBLING THE HIGH-PRESSURE FUEL PUMP 4-15 THROTTLE CONTROL LEVER CAM 4-18 REMOVINGINSTALLING THE THROTTLE CONTROL LEVER CAM 4-18 THROTTLE POSITION SENSOR 4-19 REMOVINGINSTALLING THE THROTTLE POSITION SENSOR 4-19 INSTALLING THE THROTTLE POSITION SENSOR 4-20 LOW-PRESSURE FUEL LINE 4-21 REMOVINGINSTALLING THE LOW-PRESSURE FUEL LINE 4-21 DISASSEMBLINGASSEMBLING THE LOW-PRESSURE FUEL LINE 4-22