FUEL PUMP SYSTEM
6-18
2. Inspect:
• Fuel pump relay conduct
Use 12V battery.
Battery (+) lead ≥ Black lead 1
Battery (-) lead ≥ Green lead 2
Tester (+) lead ≥ Black/Blue lead 3
Tester (-) lead ≥ Brown lead 4
&
B/L Br Tester selector
3 4 position
Connected
to battery
Not
Ω X 1
connected
to battery
v
Continuous while connected to the battery ≥
Replace.
Not continuous while not connected to the bat-
tery ≥ Replace.
3. Inspect:
• Fuel pump relay resistance
Out of specification ≥ Replace.
Tester (+) lead ≥ Green lead 1
Tester (-) lead ≥ Black lead 2
%
Fuel pump relay Tester selector
resistance position
72~80 Ω at
Ω X 10
20˚C (68˚F)
?
EC674000
FUEL PUMP OPERATION
CC
CAUTION:
Do not operate the fuel pump on an empty
fuel tank because it may damage the
pump.
1. Loosen the drain plug (carburetor) and
drain the fuel from the float chamber.
ELEC