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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 .

Suzuki GSX-R. Exhaust control valve inspection


  1. 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 .

Suzuki GSX-R. Exhaust control valve inspection


Exhaust pipe bolt and muffler bolt inspection
Tighten exhaust pipe bolts and muffler bolts initially at 1 000 km (600 miles, 2 months) and every 12 000 km (7 500 miles, 24 months) thereafter Check the exhaust pipe bolts and muffler bolts to th ...

Valve clearance inspection and adjustment
Inspect valve clearance initially every 24 000 km (14 500 miles, 48 months) Inspection Valve clearance adjustment must be checked and adjusted, a) at the time of periodic inspection, b) when the ...

Other materials:

Diagnostic information and procedures
Engine mechanical symptom diagnosis Refer to “engine symptom diagnosis” in section 1a . Compression pressure check The compression pressure reading of a cylinder is a good indicator of its internal condition. The decision to overhaul the cylinder is often based on the results of a compressio ...

Excv cable removal and installation
Removal Turn the ignition switch off.  Remove the front seat. Refer to “exterior parts removal and installation” in section 9d (page 9d- 6).  Remove the left side cowling. Refer to “exterior parts removal and installation” in section 9d .  Connect the special tool (mo ...

Side-stand / ignition interlock system parts inspection
Check the interlock system for proper operation. If the interlock system does not operate properly, check each component for damage or abnormalities. If any abnormality is found, replace the component with a new one. Side-stand switch Turn the ignition switch off.  Remove the left si ...

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