Yamaha YZ450FA Automobile User Manual


 
6-4
FUEL TANK
CHECKING THE FUEL PUMP BODY
1. Check:
• Fuel pump body
Cracks/damage Replace fuel pump as-
sembly.
CHECKING THE FUEL PUMP OPERATION
1. Check:
• Fuel pump operation
Refer to "CHECKING THE FUEL PRES-
SURE" section.
INSTALLING THE FUEL PUMP
1. Install:
• Fuel pump
• Fuel pump bracket
Do not damage the installation surfaces of
the fuel tank when installing the fuel
pump.
Before installing the fuel pump, remove
any dirt and other foreign material from
the installation surface on the fuel tank.
• Always use a new fuel pump gasket.
Install the lip on the fuel pump gasket upward.
• Install the fuel pump as shown in the illustra-
tion.
Align the projection "a" on the fuel pump with
the slot in the fuel pump bracket. Align the slot
"b" on the fuel tank damper with the projection
"a" on the fuel pump.
• Tighten the fuel pump bolts in stages in a
crisscross pattern.
INSTALLING THE FUEL TANK
1. Install:
• Fuel hose
When installing the fuel hose, make sure
that it is securely connected, and that the
fuel hose holders are in the correct posi-
tion, otherwise the fuel hose will not be
properly installed.
Be sure not to kink or pinch the fuel hose.
• Insert the fuel hose on the fuel pipe until you
hear a definite "click".
Slide the fuel hose connector cover "1" at the
fuel hose end in the direction of the arrow.
• Install the fuel hose connector holder "a".
• Make sure that the fuel hose and fuel pump
lead are routed through the guide on the cov-
er.
Fuel pump bracket bolt
4 Nm (0.4 m•kg, 2.9 ft•lb)