Suzuki GSX-R 1000 Service Manual: Repair instructions

Exhaust control system operation

The excs is operated by the signal supplied from the ecm. The open/close operation of the excv is performed by the excva which is controlled by the ecm by changing the current direction of the ac ...

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 dam ...

Other materials:

Valve seat repair
The valve seats (1) for both the intake and exhaust valves are machined to three different angles. The seat contact surface is cut at 45°. Intake valve Exhaust valve Caution  the valve seat contact area must be inspected after e ...

Exhaust emission control system description
The exhaust emission control system is composed of the pair system, exhaust control system, ho2 sensor, threeway catalyst system and isc system. The fresh air is drawn into the exhaust ports through the pair control solenoid valve and pair reed valves. The pair control solenoid valve is operat ...

DTC “c28” (p1655): secondary throttle valve actuator (stva) malfunction
Detected condition and possible cause Detected condition Possible cause The operation voltage does not reach the stva. Ecm does not receive communication signal from the stva. Stva can not operate properly or its motor locked Stva malfunction.   ...