Yamaha XV19SW Service Manual page 354

a. WHEN THE TRANSMISSION IS IN
NEUTRAL
b. WHEN THE SIDESTAND IS UP AND THE
CLUTCH LEVER IS PULLED TO THE
HANDLEBAR
1. Battery
2. Main fuse
3. Main switch
4. Ignition fuse
5. Engine stop switch
6. Diode 2
7. Relay unit (starting circuit cut-off relay)
8. Relay unit (diode)
9. Clutch switch
10. Sidestand switch
11. Neutral switch
12. Start switch
13. Starter relay
14. Starter motor
15. ECU fuse
16. ECU (electronic control unit)
17. Diode 1
ELECTRIC STARTING SYSTEM
7-10