Yamaha XV19SX(C) Service Manual page 399

3. Main switch
4. Main fuse
6. Battery
8. Starter relay
9. Starter motor
10.Diode 1 (for XV19S(C)/ XV19M(C)/
XV19CTS(C)/ XV19CTM(C))
11.Relay unit
12.Starting circuit cut-off relay
14.Neutral switch
15.Diode 2 (for XV19S(C)/ XV19M(C)/
XV19CTS(C)/ XV19CTM(C))
16.Sidestand switch
27.ECU (electronic control unit)
54.Clutch switch
68.Engine stop switch
69.Start switch
77.Ignition fuse
81.ECU fuse (for XV19S(C)/ XV19M(C)/
XV19CTS(C)/ XV19CTM(C))
ELECTRIC STARTING SYSTEM
7-8