Fuel Discharge Amount Inspection; Fuel Pump Relay Inspection - Suzuki kq750 Service Manual

1G-7 Fuel System:

Fuel Discharge Amount Inspection

WARNING
!
• Keep away from fire or spark.
• Spilled gasoline should be wiped off
immediately.
• Work in a well-ventilated area.
Inspect the fuel discharge amount in the following
procedures:
1) Remove the rear fender. Refer to "Rear Side Exterior
Parts Removal and Installation in Section 9D
(Page 9D-9)".
2) Place a rag under the fuel feed hose (1) and
disconnect fuel feed hose from the fuel pump.
3) Connect a proper fuel hose (2) to the fuel pump.
4) Place the measuring cylinder and insert the fuel
hose end into the measuring cylinder.
5) Disconnect the fuel pump lead wire coupler (3).
3
B831G21706003
1
I831G1170008-01
2
I831G1170009-01
I831G1170010-01
6) Connect a proper lead wire into the fuel pump lead
wire coupler (fuel pump side) and apply 12 V to the
fuel pump (between (+) Y/R wire and (–) B/W wire)
for 10 seconds and measure the amount of fuel
discharged.
If the discharge amount is out of the specification,
the probable cause may be failure of the fuel pump
or clogged fuel filter.
NOTE
The battery must be in fully charged
condition.
Fuel discharge amount
55.5 ml (1.88/1.95 US/lmp oz) and more/10 sec.
7) After finishing the fuel discharge inspection, reinstall
the rear fender. Refer to "Rear Side Exterior Parts
Removal and Installation in Section 9D (Page 9D-
9)".

Fuel Pump Relay Inspection

Refer to "Electrical Components Location in Section 0A
(Page 0A-7)".
Inspect the fuel pump relay in the following procedures:
1) Remove the seat. Refer to "Seat Removal and
Installation in Section 9D (Page 9D-11)".
2) Remove the fuel pump relay (1).
1
12V
I831G1170012-02
B831G21706004
I831G1170013-01