Disassembly And Maintenance Of Efi System; The Trouble Description Of Efi System - ZONGSHEN ZS250GY-3 Service Manual

2 Disassembly and Maintenance of EFI system

The EFI of motorcycle has been calibrated before leaving the factory. When EFI system has failure, adjust
idle screw of throttle voluntarily and replace or adjust parts of EFI are strictly prohibited.Please go to our
service station to maintain for any queries.
EFI failure indicator is equipped in the meter.When ignition system is opened, the indicater lights up. when
the indicator does not light up, that means there is failure. When engine starts, the indicator puts out. When
the indicator keeps the light on or flashing ,that means there is failure.
24X aiming
wheel of
crankshaft crankshaftposition sensor
position
LSH
engine
temperature
sensor
Inlet temperature/
pressure sensor
neutral switch
dumping switch
ignition switch
battery

3 The trouble description of EFI system

Check the EFI system by the test instrument.If it has fault，replace homologous
component of EFI. If not, please check the system as following:
1.Check the line connection;
2.Check whether or not the voltage reaches 9V.
3.Check the vehicle and EFI safe system
4.Check whether the oil-ways are blocked,extruded or broken.
burglar alarm
optional
engine
control
module
fault diagnosis
switch SCI
high
fault
Temperature
indicating
indicator of
lamp
engine
optional
Structural drawing of EFI system
throttle position sensor
throttle body
M3.5 nozzle
rev signal
of engine
catalytic
converter for
metal carrier
idle air control valve
optional
igniton coil
WCPR fuel
pressure
regulator
fuel pump
15