Yamaha YZF-R1 Series Service Manual page 426

e. Measure the fuel line pressure.
Faulty → Replace the fuel pump.
Fuel line pressure (at idle)
300–390 kPa (3.0–3.9 kgf/cm²,
43.5–56.6 psi)
3. Install:
• Fuel tank
• Fuel tank cover
Refer to "FUEL TANK" on page 7-1.
• Rider seat
Refer to "GENERAL CHASSIS (1)" on page
4-1.
EAS30485
ADJUSTING THE THROTTLE POSITION
SENSOR
ECA17540
NOTICE
• Handle the throttle position sensor with
special care.
• Never subject the throttle position sensor
to strong shocks. If the throttle position
sensor is dropped, replace it.
1. Check:
• Throttle position sensor
Refer to "DIAGNOSTIC CODE: SENSOR
OPERATION TABLE" on page 9-59.
2. Adjust:
• Throttle position sensor angle
TIP
Before adjusting the throttle position sensor, the
throttle bodies must be removed.
a. Temporary tighten the throttle position
sensor screws.
b. Check that the throttle valves are fully
closed.
c. Connect the throttle position sensor to the
wire harness.
d. Remove the protective cap, and then con-
nect the Yamaha diagnostic tool to cou-
pler.
TIP
For information about using the Yamaha diag-
nostic tool, refer to the operation manual that is
included with the tool.
Refer to "SELF-DIAGNOSTIC FUNC-
TION AND DIAGNOSTIC CODE TABLE"
on page 9-32.
e. Diagnostic code number "01" is selected.
THROTTLE BODIES
f. Adjust the position of the throttle position
sensor angle so that 11–21 can appear in
the Yamaha diagnostic tool screen.
g. After adjusting the throttle position sensor
angle, tighten the throttle position sensor
bolts "1".
Throttle position sensor bolt
3.5 N·m (0.35 kgf·m, 2.6 lb·ft)
7-19
1
1