Sym Citycom 300i - Page 54

4. Fuel Injection System
4-8
Roll Over Sensor (ROS)
Function:
As a safety device, when the motocycle is overturned, ROS cuts off the power supply of ECU and shut
down the engine.
Note:
When the motorcycle is leaning more than 65 degrees, the power of ECU will be shut off. To restart the
engine, you need to Key-on the main switch again.
ECU
Main switch
Fuse 20A
Battery
Fuse 15A
Engine stop
switch
To start switch
Power relay
Engine control
relay
Side stand switch
Side stand
warning light
Roll over
sensor
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