Yamaha YP125R, Service Manual

Page: 393 / 498

THROTTLE BODY
7-10
TIP
Make sure that the recess “a” in the intake man-
ifold joint is aligned with the thermostat cover.
EAS37P1075
INSTALLING THE FUEL HOSE
1. Install:
• Fuel hose
• Fuel hose connector cover
NOTICE
ECA37P1026
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.
EAS37P1076
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.
EAS37P1077
CHECKING THE THROTTLE POSITION
SENSOR
1. Check:
• Throttle position sensor
Refer to “CHECKING THE THROTTLE PO-
SITION SENSOR” on page 8-88.
EAS37P1078
CHECKING THE ISC (IDLE SPEED
CONTROL) UNIT
1. Check:
• ISC (idle speed control) unit
Refer to “CHECKING THE ISC (IDLE
SPEED CONTROL) UNIT” on page 8-90.
1
a
a
1
2
A. YP125R
B. YP250R
a
b
A
b
a
B