Fuel Pump Operation Inspection; Discharge Volume Inspection; Fuel Pump Inspection - Honda 2003 NPS50 Ruckus Service Manual

4. Fuel pump Operation Inspection

Connect the 12V battery to the fuel pump 2P con­
nector as shown.
Does the fuel pump operate?
NO
Faulty fuel pump.
-
YES - GO TO STEP 5.

5. Discharge Volume Inspection

Remove the floor step (page 3-7).
Disconnect the fuel hose from the carburetor.
Hold a graduated beaker under the fuel hose.
Disconnect the fuel hose from the carburetor.
Hold a graduated beaker under the fuel hose.
Turn the ignition switch to ON.
Let the fuel flow i nto the beaker for 5 seconds,
then turn the ignition switch to OFF.
Multiply the amount in the beaker by 12 to deter­
mine the fuel pump flaw capacity per minute.
FUEL PUMP FLOW CAPACITY:
100 em' (3.4 US oz, 3.5 Imp oz) minimum/
minute
Is the flow capacity within specification?
NO GO TO STEP 6.
-
YES - The system is normal.
n

6. Fuel Pump Inspection

Check the resistance between the fuel pump ter­
minals.
STANDARD: 2.6 - 3.2
Is the resistance within the standard?
NO Faulty fuel pump.
-
YES - Faulty ECM.
(20'C/68'F)
LIGHTS/M HERS/SWITCHES
1 9- 1 9