Checking The Fuel Pump - Yamaha XV16AL Service Manual

FUEL PUMP SYSTEM
EB808410

CHECKING THE FUEL PUMP

WARNING
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:
• Stop the engine before refuelling.
• Do not smoke and keep away from open
flames, sparks or any other source of fire.
• If you do accidentally spill gasoline, wipe
it up immediately with dry rags.
• 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:
• fuel pump operation
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a. Fill the fuel tank.
b. Put the end of the fuel hose into an open
container.
c. Turn the fuel cock to "ON" or "RES".
d. Connect the battery (12 V) to the fuel
pump coupler as shown.
Battery positive lead → black/blue 1
Battery negative lead → black 2
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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