Suzuki GSF650A Service Manual page 166

1A-91 Engine General Information and Diagnosis:
Step
1 5) If OK, then check the continuity between each terminal
and ground.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Injector continuity
∞ Ω (Infinity)
Are the resistance and continuity OK?
Action
(A)
I718H1110206-02
Yes
Go to Step 2.
No
Replace the injector
with a new one. Refer to
"Throttle Body
Disassembly and
Assembly in Section 1D
(Page 1D-11)".