Yamaha 2005 BT1100 Supplementary Service Manual page 111

FUEL PUMP SYSTEM
EASB0038
FUEL PUMP TEST
WARNING
Gasoline is extremely flammable and under
certain circumstances there can be a danger
of an explosion or combustion. Be extremely
careful and note the following points:
• Stop the engine before refuelling.
• Do not smoke and keep away from open
flames, sparks, or any other source of fire.
• Take care not to spill gasoline. If you do
accidentally spill some, wipe it up immedi-
ately with dry rags.
• If gasoline touches the engine when the
engine is still hot, there is a danger of com-
bustion. Make sure that the engine is com-
pletely cool before performing the following
test.
1. Check:
• Fuel pump operation
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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
Battery (–) lead
d. Operate the engine starter to open the vacu-
um fuel cock.
e. If fuel flows out from the fuel hose, the fuel
pump is good. If not, replace the fuel pump
assembly.
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103
ELEC
¡
Blue/Black terminal 1
¡
Black terminal 2