Air Filter Case Assembly Installation; Fuel Pressure Measurement - Yamaha VX110 Sport Service Manual

FUEL
a
1
b
THROTTLE BODY ASSEMBLY AND INTAKE
MANIFOLD
2
a
b
1
2

Air filter case assembly installation

1. Install:
• Air intake duct 1
• Air intake hose 2
• Air filter case cover
NOTE:
Align the projections a on the air intake duct
and air intake hose with the projections b on
the air filter case cover as shown in the illustra-
tion.
2. Adjust:
• Throttle lever free play
Refer to "CONTROL SYSTEM" in Chap-
ter 3.

Fuel pressure measurement

1. Disconnect:
• Fuel hose
Refer to "Fuel hose disconnection".
2. Install:
• Fuel pressure gauge adapter 1
• Fuel pressure gauge 2
Fuel pressure gauge adapter:
YW-06842/90890-06842
Fuel pressure gauge:
YB-06766/90890-06786
NOTE:
To connect the fuel pressure gauge adapter,
follow the procedures for connecting a fuel
hose. (Refer to "Fuel hose connection".)
3. Start the engine and arrow it to warm up
for several minutes.
4. Measure:
• Fuel pressure
Out of specification → Replace the fuel
pump module.
Fuel pressure:
320–327 kPa
(3.2–3.3 kgf/cm
4-17
E
2
, 46–47 psi)