2002-2007 Suzuki 500 LTA Service Manual, Page 23Get this manual
PERIODIC MAINTENANCE
Connect the electric tachometer or the multi circuit tester to the high-tension cord Start the engine and set the engine idle speed between 200 and 400 rmin by turning the throttle stop screw knob Engine idle speed: 300 100 rmin 09900-26006: Tachometer, or 09900-25008: Multi circuit tester set