Removing The Fuel Hose; Checking The Fuel Injector; Checking The Throttle Body; Installing The Intake Manifold - Yamaha MBK XMAX 2014 Service Manual

EAS2DM1089

REMOVING THE FUEL HOSE

1. Disconnect:
• Fuel hose
Refer to "REMOVING THE FUEL TANK" on
page 7-2.
EAS26980

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.
EAS26990

CHECKING THE THROTTLE BODY

1. Check:
• Throttle body
Cracks/damage → Replace the throttle body.
2. Check:
• Fuel passages
Obstructions → Clean.
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a. Wash the throttle body in a petroleum-based
solvent.
Do not use any caustic carburetor cleaning
solution.
b. Blow out all of the passages with compressed
air.
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EAS2DM1090

INSTALLING THE INTAKE MANIFOLD

1. Install:
• Intake manifold joint "1"
• Intake manifold "2"
TIP
Make sure that the projection "a" on the intake
manifold joint is facing down.
1
▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼
▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲
2
a
EAS2DM1091

INSTALLING THE FUEL HOSE

1. Install:
• Fuel hose
• Fuel hose connector cover
ECA2DM1039
NOTICE
When installing the fuel hose, make sure that
it is securely connected, and that the fuel
hose connector cover is in the correct posi-
tion, otherwise the fuel hose will not be prop-
erly installed.
TIP
• Wipe up any fuel remaining in the recess "a" in
the fuel pump with a dry rag "1".
• After installing the fuel hose connector cover
"2", make sure that it is installed securely.
▼▼▼
▲▲▲
EAS2DM1092

INSTALLING THE THROTTLE BODY

1. Install:
• Throttle body
TIP
Align the projection "a" on the throttle body with
the slot "b" in the throttle body joint.
7-6
THROTTLE BODY
1
a
2