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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:

Exhaust control system construction
Excv cable no. 1 (Cl) Excv cable no. 2 (Op) When loosening or tightening the pulley bolt, be sure to fix the pulley with an adjustable wrench, or excva may get damaged. 5 N·m (0.5 Kgf-m, 3.5 Lbf-ft) 42 – 43 Mm (1.65 – 1.69 In) 60 – 61 Mm (2.36 – ...

Dtc “c36” (p1764), “c37” (p1765), “c38” (p1766) or “c39” (p1767): secondary fuel injector circuit malfunction
Detected condition and possible cause Detected condition Possible cause Some failure exists in the fuel injector signal in a high load, high revolution condition. Injector circuit open or short.  Injector malfunction.  Ecm malfunction. ...

Rod guide case tightening torque
Tighten the rod guide case in the following procedures: measure the effective length l of the torque wrench. Calculate the reading torque on the torque wrench by use of the formula shown below. Special tool (a): 09940–84710 (rod guide case wrench) T: reading torque on the torq ...

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