Yamaha MBK MW125 2014, Service Manual

Page: 289 / 380

FUEL INJECTOR
7-6
EAS31250
REMOVING THE FUEL HOSE
1. Disconnect:
• Fuel hose
WARNING
EWA17610
Cover fuel hose connections with a cloth
when disconnecting them. Residual pres-
sure in the fuel lines could cause fuel to
spurt out when removing the hoses.
NOTICE
ECA21761
• Be sure to disconnect the fuel hose by
hand. Do not forcefully disconnect the
hose with tools.
• Although the fuel has been removed from
the fuel tank, be careful when removing the
fuel hose, since there may be fuel remain-
ing in it.
TIP
• To remove the fuel hose from the fuel injector,
slide the fuel hose connector cover “1”on the
end of the hose in the direction of the arrow
shown, and then remove the hose.
• Before removing the hose, place a few rags in
the area under where it will be removed.
EAS31251
CHECKING THE FUEL INJECTOR
1. Check:
• Injector
Obstruction
→
Replace and check the fuel
pump/fuel supply system.
Deposit
→
Replace.
Damage
→
Replace.
2. Check:
• Injector resistance
Refer to “CHECKING THE FUEL INJEC-
TOR” on page 7-6.
EAS31252
ASSEMBLING THE FUEL INJECTOR
1. Install:
• Fuel injector “1”
• O-ring
(to the fuel injector adapter “2”)
• Fuel injector joint gasket “3”
(to the fuel injector)
2. Install:
• Fuel injector
(to the fuel injector adapter)
TIP
Align the projection “a” on the fuel injector with
the hole “b” in the fuel injector adapter.
EAS31253
INSTALLING THE FUEL HOSE
1. Install:
• Fuel hose
NOTICE
ECA17500
When installing the fuel hose, make sure that
it is securely connected, and that the fuel
hose connector cover on the fuel hose is in
the correct position, otherwise the fuel hose
will not be properly installed.
TIP
• Install the fuel hose securely onto the fuel in-
jector until a distinct “click” is heard.
• To install the fuel hose onto the fuel injector,
slide the fuel hose connector cover “1” on the
end of the hose in the direction of the arrow
shown.
1
New
New
a
1
3
2
b
New
1