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yamaha YBR125FI version introduces

FI version that efi version, is now export European main model, with the average YBR is the biggest difference compared with the electronic fuel injection technology, in power, emission, throttle response has certain improvement.

yamaha YBR125FI

yamaha YBR125FI

yamaha YBR125FI

yamaha YBR125FI

The valve throttle body, according to the driver’s throttle opening and closing operations, air inflow control.
The throttle body sensor unit by air intake pressure sensor, throttle position sensor and the inlet temperature sensor constitute.
In addition, in order to ensure stable after start idle, but also design a fast idle electromagnetic valve (some of the carburetor one on this device)

The valve throttle body

Cylinder head increase the engine temperature sensor

Engine temperature sensor

Fuel pump is composed of pump, motor, filters, valve, pressure regulator constitute.

Fuel pump

16 bit small ECU, receive signals from the sensor, calculation fuel injection quantity, injection cycle and ignition is time, all of the system control, similar to the computer CPU, so the car is not alone the igniter.

16 bit small ECU

It estimates that few people have seen and heard – tilt Angle sensor
When this table YBR body tilt 65 degrees it will automatically stop the oil supply power in order to ensure safety, and some cheap efi system, car reversed likely won’t cut off the circuit, so that when happen when he broke the car is very dangerous.

tilt Angle sensor

Secondary air injection system with double catalytic exhaust silencer, easy to deal with the three emission standard

Exhaust silencer

Detail place quite in place, the pull of protection is exquisite

Detail place quite in place, the pull of protection is exquisite

 

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