Injection technology DCP-FI Suzuki Shogun 125

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Back again to the DCP-FI. The specialty is the Suzuki injection technology Combined with some components of the injectors, fuel pump and regulator into one. So in the fuel tank is not no such thing as too fuel pump regulator. Comparison with conventional injector can be seen in the figure below.
Because Combined these components, so it is more compact because it does not require the fuel pump in the tank. In addition, the flow of gasoline from the tank does not need the pressure is too big, even when gasoline dropped aided by gravity. It can relieve the fuel pump working.
The pressure in the hose from the fuel tank pressure was not that high, so it is more safety. Especially in the event of such undesirable fuel hose off when the engine is still burning, gasoline indirect gush out.
Position, the device is placed DCP is similar to the position of most types of indirect injection injector is in the intake manifold. And for the application of this technology, Suzuki chose to use artificial devices Mikuni DCP.
DCP-FI combines simpler injectors, fuel pump and regulator The only drawback to the DCP-FI is, when there is damage to one of the components, could be injectors, fuel pump or regulator, should be done assy. Can not separate each component. But it actually does not matter much, considering the age of this component is quite long for years.
In addition to the DCP, Suzuki also have always complementary injection system complete with sensor. In total there are 7 sensors and actuator devices 4. The sensor consists of Engine Temperature Sensor (ET), Intake Air Pressure Sensor (IAP), Intake Air Temperature Sensor (IAT), Throttle Position Sensor (TPS) also Crank Position Sensor (CPS) and Tip-Over Sensor (TO)
In addition it is also equipped with a Heated Oxygen Sensor (HO2), or commonly referred to as O2 sensors. The difference, O2 sensors on this motor can work faster. The O2 sensor only works when the maximum temperature of the sensor was in the range of 80 degrees Celsius. In Suzuki Shogun, O2 sensor heater or heater is equipped to quickly reach the temperature.
Suzuki also equip the bike with Tip-Over Sensor (TO) is a sensor that is capable of reading the slope of the motor. When the motor falls and its position more than 65 degrees, the injection system will automatically shut down and the engine died. On some new motorcycles like the Honda Vario Techno 125 or Yamaha Mio J, this feature even eliminated.
Go to the actuator components. In Suzuki Shogun 125 FI same as other motors. Namely the Engine Control Module (ECM) as the brain that receives input data from the sensors and gives orders to the injectors. Next is the DCP system and injectors.
And the last one is the idle speed control (ISC)​​, function to keep the engine idling. The trick, the ECM will set the ISC valve to increase or decrease the amount of air entering the intake gas when closed and when the engine is still cold. In the morning, replace the choke function.
Well, the DCP-FI, Heated Oxygen Sensor and consistently apply the tilt sensor or motor-Tip Over Sensor, Suzuki Shogun injection system on it so one of the most sophisticated. Unfortunately, the injection version of the Suzuki Shogun 125 FI has been discontinue.


Blog, Updated at: 8:25 AM
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