Suzuki GSX-R 1000 Service Manual: Exhaust control valve inspection

Inspect exhaust control valve initially at 1 000 km (600 miles, 2 months) and every 12 000 km (7 500 miles, 24 months) thereafter

Inspect exhaust control valve as follows:

1.  remove the left side cowling. Refer to “exterior parts removal and installation” in section 9d .
2.  Check the exhaust control valve actuator (1) for its smooth movement when the ignition switch is turned on. If the exhaust valve actuator does not move smoothly, check exhaust valve actuator electrical circuit. Refer to “excva inspection” in section 1k .

3. Check the lock-nuts (2) for tightness. If the lock-nuts (2) are loose, tighten them after adjusting the cable length. Refer to “excv cable removal and installation” in section 1k .