8-51
FUEL PUMP SYSTEM
ELEC
YES
NO
5. Starting circuit cut-off relay (fuel injection
system relay)
S
Disconnect the starting circuit cut-off relay
coupler from the wire harness.
S
Connect the pocket tester (
Ω
1) and bat-
tery (12 V) to the starting circuit cut-off relay
coupler as shown.
Replace the starting
circuit cut-off relay.
Positive battery lead
!
red / black
Negative battery lead
!
blue / yellow
1
2
Positive tester probe
!
red
Negative tester probe
!
red / blue
3
4
S
Does the starting circuit cut-off relay have
continuity between red and red / blue?
YES
NO
6. Fuel pump resistance
S
Disconnect the fuel pump coupler from the
wire harness.
S
Connect the pocket tester (
Ω
1) to the fuel
pump coupler as shown.
Properly connect or
repair the fuel sys-
tem’s wiring.
1
2
Positive tester probe
!
red / blue
Negative tester probe
!
black
EAS00817
YES
NO
Fuel pump resistance
0.2
X
3.0
Ω
at 20
_
C (68
_
F)
S
Is the fuel pump OK?
Replace the fuel
pump.
S
Measure the fuel pump resistance.
7. Wiring
S
Check the entire fuel pump system’s wiring.
Refer to “CIRCUIT DIAGRAM”.
S
Is the fuel system’s wiring properly con-
nected and without defects?
EAS00818
Replace the ECU.
EAS00759
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: ......