8-49
FUEL PUMP SYSTEM
ELEC
YES
NO
2. Battery
S
Check the condition of the battery
Refer to “CHECKING AND CHARGING
THE BATTERY” in chapter 3.
Minimum open-circuit voltage
12.8 V or more at 20
_
C (68
_
F)
S
Is the battery OK?
S
Clean the battery
terminals.
S
Recharge or re-
place the battery.
EAS00739
EAS00749
3. Main switch
S
Check the main switch for continuity.
Refer to “CHECKING THE SWITCHES”.
YES
NO
Replace the main
switch.
S
Is the main switch OK?
EAS00750
4. Engine stop switch
S
Check the engine stop switch for continuity.
Refer to “CHECKING THE SWITCHES”.
YES
NO
Replace the right
handlebar switch.
S
Is the engine stop switch OK?
NOTE:
YES
NO
1. Main, ignition and fuel injection system
fuses
S
Check the main, ignition and fuel system
fuses for continuity.
Refer to “CHECKING THE FUSES” in chap-
ter 3.
Replace the fuse(s).
S
Are the main, ignition and fuel injection sys-
tem fuses OK?
EAS00816
TROUBLESHOOTING
If the fuel pump fails to operate.
Check:
1. main, ignition and fuel injection fuses
2. battery
3. main switch
4. engine stop switch
5. starting circuit cut-off relay
(the fuel injection system relay)
6. fuel pump
7. wiring connections
(the entire fuel system)
S
Before troubleshooting, remove the following
part(s):
1. seat
2. front cowling inner panel (left and right)
3. fuel tank
Troubleshoot with the following special tool(s).
Pocket tester
90890-03112, YU-3112
EAS00738
Summary of Contents for FZ6-ST
Page 1: ...FZ6 ST 5VX 28197 11 SUPPLEMENTARY SERVICE MANUAL LIT 11616 18 43 FZ6 STC ...
Page 34: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...
Page 35: ......
Page 81: ...2 20 TIGHTENING TORQUES SPEC Cylinder head tightening sequence Crankcase tightening sequence ...
Page 86: ...2 25 COOLING SYSTEM DIAGRAMS SPEC 1 Radiator 2 Oil cooler COOLING SYSTEM DIAGRAMS ...
Page 87: ...2 26 COOLING SYSTEM DIAGRAMS SPEC 1 Water pump 2 Oil cooler 3 Radiator ...
Page 88: ...2 27 COOLING SYSTEM DIAGRAMS SPEC 1 Oil cooler 2 Water pump ...
Page 89: ...2 28 COOLING SYSTEM DIAGRAMS SPEC 1 Radiator 2 Thermostat ...
Page 90: ...2 29 ENGINE OIL LUBRICATION CHART SPEC ENGINE OIL LUBRICATION CHART ...
Page 92: ...2 31 LUBRICATION DIAGRAMS SPEC 1 Oil pump 2 Exhaust camshaft 3 Intake camshaft 4 Oil strainer ...
Page 93: ...2 32 LUBRICATION DIAGRAMS SPEC 1 Oil cooler 2 Oil strainer 3 Oil level switch 4 Oil pump ...
Page 94: ...2 33 LUBRICATION DIAGRAMS SPEC 1 Main axle 2 Oil pump 3 Relief valve ...
Page 96: ...2 35 LUBRICATION DIAGRAMS SPEC 1 Main axle 2 Drive axle ...
Page 432: ...8 27 LIGHTING SYSTEM ELEC EAS00780 LIGHTING SYSTEM CIRCUIT DIAGRAM ...
Page 439: ...8 34 SIGNALING SYSTEM ELEC EAS00793 SIGNALING SYSTEM CIRCUIT DIAGRAM ...
Page 465: ...FZ6 SS FZ6 SSC WIRING DIAGRAM ...
Page 469: ......