Yamaha Star XVS13AA(C) 2011 Service Manual page 409

IGNITION SYSTEM
3. Main fuse
5. Main switch
6. Battery
12.Relay unit
15.Neutral switch
17.Sidestand switch
19.Crankshaft position sensor
22.Lean angle sensor
25.ECU (engine control unit)
26.Rear cylinder ignition coil
27.Front cylinder ignition coil
28.Spark plug
63.Engine stop switch
71.Ignition fuse
8-2