Checking The Fuel Pump; Checking And Adjusting The Throttle Position Sensor - Yamaha XV1700P Service Manual

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FUEL INJECTION SYSTEM
EAS00819

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:
• Stop the engine before refueling.
• 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 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. Connect the battery (12 V) to the fuel pump
+
coupler as shown.
Positive battery lead → red/blue 1
Negative battery 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.
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EAS00502
CHECKING AND ADJUSTING THE
THROTTLE POSITION SENSOR
NOTE:
Before adjusting the throttle position sensor,
the engine idling speed should be properly
adjusted.
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ELEC
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