Suzuki GSX-R750 Service Manual page 205

Step
1 1) Turn the ignition switch OFF.
2) Lift and support the fuel tank. Refer to "Fuel Tank
Removal and Installation in Section 1G (Page 1G-9)".
3) Check the EVAP system purge control valve coupler (1)
for loose or poor contacts.
If OK, then measure the EVAP system purge control
valve resistance.
4) Disconnect the EVAP system purge control valve
coupler.
5) Measure the resistance between terminals.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Resistance (Ω)
EVAP system purge control valve resistance
Approx. 32 Ω at 20 °C (68 °F)
(Terminal – Terminal)
Is the resistance OK?
Action
1
I837H1110114-01
(A)
I837H1110165-01
Engine General Information and Diagnosis:
Yes
Go to Step 2.
1A-133
No
Replace the EVAP
system purge control
with a new one. Refer to
"Evaporative Emission
Control System
Removal and
Installation (Only for E-
33) in Section 1B
(Page 1B-12)".