Suzuki DF 90 Service Manual

5-1FUEL SYSTEM
PRECAUTION ON FUEL SYSTEM SERVICE ___________________ 5-2
GENERAL PRECAUTION .............................................................................. 5-2
FUEL PRESSURE RELIEF PROCEDURE .................................................... 5-3
FUEL LINE ______________________________________________ 5-4
REMOVAL / INSTALLATION .......................................................................... 5-4
FUEL LEAKAGE CHECK PROCEDURE....................................................... 5-4
FUEL HOSE CONNECTION .......................................................................... 5-5
FUEL PRESSURE INSPECTION ................................................................... 5-5
FUEL VAPOR SEPARATOR / HIGH PRESSURE FUEL PUMP _____ 5-7
REMOVAL / INSTALLATION .......................................................................... 5-7
DISASSEMBLY .............................................................................................. 5-8
INSPECTION .................................................................................................. 5-9
ASSEMBLY .................................................................................................... 5-10
FUEL INJECTOR _________________________________________ 5-12
INSPECTION .................................................................................................. 5-12
REMOVAL ...................................................................................................... 5-12
INSTALLATION .............................................................................................. 5-13
LOW PRESSURE FUEL PUMP ______________________________ 5-14
REMOVAL / INSTALLATION .......................................................................... 5-14
DISASSEMBLY / REASSEMBLY ................................................................... 5-15
INSPECTION .................................................................................................. 5-16
FUEL TANK ______________________________________________ 5-17
DISASSEMBLY / REASSEMBLY ................................................................... 5-17
INSPECTION .................................................................................................. 5-18
FUEL SYSTEM
CONTENTS
5

Suzuki DF 90 Specifications

General

Steering	Remote
Starting System	Electric
Number of Cylinders	4
Trim Method	Power Trim and Tilt
Full Throttle Operating Range	5, 500 - 6, 300 rpm
Fuel System	Multi-point sequential electronic fuel injection
Ignition System	Fully-transistorized
Exhaust	Through Prop Hub Exhaust
Shaft Length	508 mm (20 in), 635 mm (25 in)
Fuel Type	Unleaded gasoline (87 octane or higher)