Suzuki AN650/A Supplementary Service Manual page 21

20 AN650A/K7 ('07-MODEL)
Check 4
1) Increase the "Spec" 1 to 1 500 rpm.
2) Check that the "Desired idle speed" 2 is approx. 1 500 rpm.
3) Check that the "Engine speed" 3 is close to 1 500 rpm.
NOTE:
Be careful not to increase the "Spec" to more than 1 600 rpm, or
the "Engine speed" may reach the upper limit.
If the ISC valve does not function properly, inspect the ISC valve (#Page 29) or replace if necessary.