7-41
THROTTLE BODIES
FI
NOTE:
Increase the vacuum pressure
!
Fuel pressure is decreased
Decrease the vacuum pressure
!
Fuel pressure is increased
Faulty
!
Replace the pressure regulator.
EAS00916
CHECKING AND ADJUSTING THE
THROTTLE POSITION SENSOR
Before adjusting the throttle position sensor, the
engine idling speed should be properly ad-
justed.
1. Check:
S
throttle position sensor
a. Disconnect the throttle position sensor cou-
pler.
b. Remove the throttle position sensor from the
throttle body.
c. Connect the pocket tester (
Ω
1k) to the
throttle position sensor.
Positive tester probe
!
blue terminal
1
Negative tester probe
!
black / blue terminal
2
d. Measure the maximum throttle position sen-
sor resistance.
Out of specification
!
Replace the throttle
position sensor.
Maximum throttle position
sensor resistance
4
X
6 k
Ω
at 20
_
C (68
_
F)
(blue – black / blue)
e. Connect the pocket tester (
Ω
1k) to the
throttle position sensor.
Positive tester probe
!
yellow terminal
3
Negative tester probe
!
black / blue terminal
2
Summary of Contents for YZF-R1S
Page 1: ......
Page 50: ...2 22 TIGHTENING TORQUES SPEC Cylinder head tightening sequence Crankcase tightening sequence ...
Page 56: ...2 28 1 Thermostat 2 Radiator cap 3 Radiator 4 Oil cooler COOLING SYSTEM DIAGRAMS SPEC ...
Page 57: ...2 29 ENGINE OIL LUBRICATION CHART SPEC ENGINE OIL LUBRICATION CHART ...
Page 61: ...2 33 1 Main axle 2 Oil delivery pipe 3 Drive axle LUBRICATION DIAGRAMS SPEC ...
Page 62: ...2 34 1 Cylinder head 2 Crankshaft LUBRICATION DIAGRAMS SPEC ...
Page 346: ...7 2 FUEL INJECTION SYSTEM FI 7 WIRING DIAGRAM ...
Page 401: ...8 8 IGNITION SYSTEM ELEC EAS00735 IGNITION SYSTEM CIRCUIT DIAGRAM ...
Page 420: ...8 27 LIGHTING SYSTEM ELEC EAS00780 LIGHTING SYSTEM CIRCUIT DIAGRAM ...
Page 427: ...8 34 SIGNALING SYSTEM ELEC EAS00793 SIGNALING SYSTEM CIRCUIT DIAGRAM ...
Page 436: ...8 43 COOLING SYSTEM ELEC EAS00807 COOLING SYSTEM CIRCUIT DIAGRAM ...
Page 456: ......
Page 457: ......