Fuel Pump Relay Inspection - Suzuki GSX-R750 Service Manual

• Connect a proper lead wire to 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.
Battery + terminal
Battery - terminal
If the pump does not discharge the amount specified, it means
that the fuel pump is defective or that the fuel filter is clogged.
 Fuel discharge amount:
168 ml (5.7/5.9 US/Imp oz) and more/10 sec.
NOTE:
The battery must be in fully charged condition.

FUEL PUMP RELAY INSPECTION

Fuel pump relay is located on the air cleaner box (right side
one).
• Lift and support the fuel tank. (5-3)
• Remove the fuel pump relay 1.
First, check the insulation between A and B terminals with
pocket tester. Then apply 12 V to C and D terminals, + to C
and - to D, and check the continuity between A and B.
If there is no continuity, replace it with a new one.
(Y/R terminal)
(B/W terminal)
FUEL SYSTEM AND THROTTLE BODY 5-7