Yamaha WaveRunner - Fuel System

E
FUEL
4
CHAPTER 4
FUEL SYSTEM
ARRANGEMENT OF THE THROTTLE BODY COMPONENTS
COUPLERS ....................................................................................................4-1
FUEL TANK AND FUEL PUMP MODULE......................................................4-2
EXPLODED DIAGRAM .............................................................................4-2
REMOVAL AND INSTALLATION CHART ................................................4-2
SERVICE POINTS ....................................................................................4-5
Fuel hose disconnection .....................................................................4-5
Fuel pump module removal.................................................................4-5
Check valve inspection .......................................................................4-5
Rollover valve inspection ....................................................................4-6
Fuel sender inspection........................................................................4-6
Fuel tank inspection ............................................................................4-6
Fuel hose inspection ...........................................................................4-6
Fuel pump filter inspection ..................................................................4-6
Fuel pump module installation ............................................................4-7
Fuel hose connect...............................................................................4-7
FUEL INJECTION SYSTEM............................................................................4-8
EXPLODED DIAGRAM .............................................................................4-8
REMOVAL AND INSTALLATION CHART ................................................4-8
SERVICE POINTS ..................................................................................4-17
Hose clamps removal........................................................................4-17
Hose clamps installation ...................................................................4-17
Fuel hose disconnection ...................................................................4-17
Fuel line inspection ...........................................................................4-18
Fuel hose installation (replacing with new fuel hose)........................4-19
Fuel hose connection........................................................................4-19
Throttle body removal .......................................................................4-19
Fuel injector inspection .....................................................................4-20
Throttle body inspection....................................................................4-20
Bypass valve motor inspection..........................................................4-21
Throttle body installation ...................................................................4-21
Throttle bodies synchronization ........................................................4-22
Fuel pressure measurement .............................................................4-27