Starting System - Sym HD 125 Service Manual

17. ELECTRICAL SYSTEM

Starting System

Starting circuit diagram
Main switch
Fuse 10A
Brake switch
Starter switch
Inspection on starter relay
Open the main switch.
Press the brake.
Push down the starter switch.
If a sound of "Looh Looh" is heard, it indicates the
relay function normally.
Remove the luggage box.
Disconnect the negative cable terminal of the
battery.
Disconnect the cable positive terminal from the
relay.
Disconnect the positive cable of the starter motor.
Disconnect the coupler of the relay.
Connect an ohmmeter to the large terminal end.
Connect the yellow/red cable to the battery
positive terminal and the green/yellow cable to the
battery negative terminal.
Check the continuity of the large terminal end.
If there is no continuity, replace the relay.
17-10
To this chapter contents
Main fuse 20A
Red
Starter relay
Yellow/red
Battery
Starter motor
Green/yellow