Air Filter Case And Fuel Hose; Fuel Hose Disconnection; Fuel Pressure Measurement - Yamaha Waverunner VXS VX1800 Service Manual

Fuel hose disconnection

Before checking the fuel system, remove
the battery, and then remove the fuel filler
cap to reduce any pressure inside the fuel
tank.
1. Spread apart the ends of the retainer "a",
and then pull the retainer up.
2. Disconnect the quick connector "1".
Make sure to disconnect the quick connec-
tor slowly. Otherwise, pressurized fuel
could spray out.
TIP:
Make sure to clean up any fuel spills.
3. Cover the quick connector, fuel rail, and
fuel pipe using plastic bags "1" to protect
them from dirt.
a
1

Fuel pressure measurement

1. Disconnect the quick connector from the
fuel rail.
2. Install the special service tools "1" and "2".
A
B
A. Worldwide
B. U.S.A. and Canada
Fuel pressure gauge adapter "1"
90890-06946
Fuel pressure gauge adapter "1"
YB-06946
Fuel pressure gauge "2"
90890-06753
Fuel pressure gauge "2"
YU-03153M
3. Start the engine and warm it up for 5 min-
utes or more at engine idle speed.
4-3

Air filter case and fuel hose

1
2
1
1
2