Yamaha YZF-R6T Supplementary Service Manual page 524

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FUEL PUMP SYSTEM
EAS00819
CHECKING THE FUEL PUMP
WARNING
Gasoline is extremely flammable and under
certain circumstances there can be a danger
of an explosion or fire. Be extremely careful
and note the following points:
S Stop the engine before refueling.
S Do not smoke, and keep away from open
flames, sparks, or any other source of fire.
S If you do accidentally spill gasoline, wipe it
up immediately with dry rags.
S If gasoline touches the engine when it is
hot, a fire may occur. Therefore, make sure
the engine is completely cool before per-
forming the following test.
1. Check:
S Fuel pump operation
a. Insert the plug 1 to fuel return hose end.
b. Fill the fuel tank.
c. Put the end of the fuel hose into an open con-
tainer.
d. Connect the battery (DC 12 V) to the fuel
pump coupler as shown.
Positive battery lead ! red/blue 2
Negative battery lead ! black 3
e. If fuel flows out of the fuel hose, the fuel pump
is OK. If fuel does not flow, replace the fuel
pump.
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