8-48
FUEL PUMP SYSTEM
ELEC
YES NO
2. Battery
S Check the condition of the battery
Refer to “CHECKING 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.
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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?
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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 fuses
S Check the main, ignition and fuel injection
fuses for continuity.
Refer to “CHECKING THE FUSES” in chap-
ter 3.
Replace the fuse(s).
S Are the main ignition and fuel injection fuses
OK?
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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 pump injection system relay)
6. Fuel pump
7. Wiring connections
(the entire fuel system)
S Before troubleshooting, remove the following
part(s):
1. Seat
2. Fuel tank
Troubleshoot with the following special tool(s).
Pocket tester
90890-03112, YU-3112
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