Yamaha 2012 TMAX XP500A Service Manual page 377

IGNITION SYSTEM
1. Crankshaft position sensor
4. Frame ground
5. Joint
6. Main switch
8. Joint coupler
16.Ignition fuse
19.Battery
20.Negative lead
21.Main fuse
26.Right handlebar switch
27.Engine stop switch
38.Sidestand switch
39.ECU (engine control unit)
40.Ignition coil
41.Spark plug
49.Lean angle sensor
8-2