Checking The Fuel Pump - Yamaha YZF-R6 Service Manual

FUEL PUMP SYSTEM
EB808410

CHECKING THE FUEL PUMP

WARNING
Gasoline is extremely flammable and under
certain circumstances there can be a dan-
ger of an explosion or fire. Be extremely
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 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
that the engine is completely cool before
performing the following test.
1. Check:
S fuel pump operation
a. Fill 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 as shown.
Battery positive lead ! blue/black 1
Battery negative lead ! black 2
d. If fuel flows out of the fuel hose, the fuel
pump is OK. If fuel does not flow, replace the
fuel pump.
8-53
ELEC