Yamaha XVS650 Service Manual page 309

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FUEL PUMP SYSTEM
ELEC
1- +1
EB808020
TROUBLESHOOTING
IF THE FUEL PUMP FAILS TO OPERATE:
Procedure
Check:
1.Fuses (main and ignition)
2. Battery
3.Main switch
4.Engine stop switch
NOTE: _
• Remove the following part{s) before trou-
bleshooting:
1)Battery cover
2)Rider's seat
3)Fuel tank
4)Steering head side covers
• Use the following special tooHs) for trou-
bleshooting.
EB802011
1.Fuses (main and ignition)
Refer to "SWITCH INSPECTION" .
. { } CONTINUITY
EB802012
2.Battery
• Check the battery condition.
Refer to uBATTERY INSPECTION" in
CHAPTER 3.
Open-circuit voltage:
12.8 V or more at 20°C l68°F)
~
CORRECT
*
5.Relay unit (fuel pump relay)
6.Fuel pump
7.Wiring connections (the entire fuel sys-
tem)
. Pocket tester:
VU-031 12, 90890-03112
NO CONTINUITY
I
Replace the fuse(s).
INCORRECT
• Clean the battery terminals.
• Recharge or replace the battery.
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