Fuel Pump Test - Yamaha XVS1100(L) Service Manual

FUEL PUMP SYSTEM
EB808030

FUEL PUMP TEST

WARNING
Gasoline is extremely flammable and under
certain circumstances there can be a danger
of an explosion or combustion. Be extreme-
ly careful and note the following points:
S Stop the engine before refuelling.
S Do not smoke and keep away from open
flames, sparks, or any other source of fire.
S Take care not to spill gasoline. If you do ac-
cidentally spill some, wipe it up immediate-
ly with dry rags.
S If gasoline touches the engine when the en-
gine is still hot, there is a danger of com-
bustion. Make sure that the engine is com-
pletely cool
following test.
1. Check:
S Fuel pump operation
a. Fill up the fuel tank.
b. Put the end of the fuel hose into an open con-
tainer.
c. Connect the battery (12 V) to the fuel pump
coupler terminals.
Battery (+) lead ! Blue/black terminal 1
Battery (–) lead ! Black terminal 2
d. If fuel flows out from the fuel hose, the fuel
pump is good. If not, replace the fuel pump
assembly.
7-43
ELEC
before performing the