Removing The Fuel Tank; Removing The Fuel Pump; Checking The Fuel Pump Body; Installing The Fuel Pump - Yamaha YZ 2019 Series Owner's Service Manual

EAM30263

REMOVING THE FUEL TANK

1. Extract the fuel in the fuel tank through the
fuel tank cap with a pump.
2. Remove:
• Fuel hose coupler
EWA19370
WARNING
Cover the fuel hose connection with a cloth
when disconnecting it. This is because re-
sidual pressure in the fuel hose could cause
fuel to spurt out when the hose is removed.
ECA24710
NOTICE
Make sure that the fuel hose is disconnected
by hand. Do not forcefully disconnect the
hose with tools.
TIP
• To remove the fuel hose from the fuel rail, slide
the fuel hose connector cover "1" on the end of
the hose in the direction of the arrow shown,
press the two buttons "2" on the sides of the
connector, and then remove the hose.
• Before removing the hose, place a few cloths
in the area under where it will be removed.
• To prevent sand, dust, and other foreign mate-
rials from entering the fuel pump, install the in-
cluded fuel hose joint cover 1 "3" and the fuel
hose joint cover 2 "4" onto the disconnected
fuel hose and the fuel pump.
2
1
4
3
7-2
3. Remove:
• Side cover (left/right)
• Seat
• Air scoop (left/right)
• Fuel tank
TIP
Do not set the fuel tank down on the installation
surface of the fuel pump. Be sure to lean the fuel
tank against a wall or the like.
EAM30264

REMOVING THE FUEL PUMP

1. Remove:
• Fuel pump
ECA24720
NOTICE
Do not drop the fuel pump or give it a strong
shock.
EAM30265

CHECKING THE FUEL PUMP BODY

1. Check:
• Fuel pump body
Obstructions  Clean.
Cracks/damage  Replace the fuel pump
assembly.
EAM30266

INSTALLING THE FUEL PUMP

1. Install:
• Fuel pump gasket
New
• Fuel pump
• Fuel pump bracket
Fuel pump bolt
4.0 N·m (0.40 kgf·m, 3.0 lb·ft)
TIP
• Take care not to damage the installation sur-
faces of 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 figure.
• Align the projection "a" on the fuel pump with
the slot "b" in the fuel pump bracket.
• Tighten the fuel pump bolts in the proper tight-
ening sequence as shown.
FUEL TANK