IGNITION SYSTEM
3. Main switch
4. Main fuse
9. Backup fuse
12.Ignition fuse
18.Engine ground
19.Battery
23.Joint coupler
26.Handlebar switch (right)
28.Start/engine stop switch
30.Relay unit
33.Neutral switch
34.Sidestand switch
44.Cylinder identification sensor
46.Crankshaft position sensor
49.ECU (Engine Control Unit)
50.Spark plug
51.Ignition coil #1
52.Ignition coil #2
53.Ignition coil #3
54.Ignition coil #4
71.IMU (Inertial Measurement Unit)
*. Joint coupler for YZF-R1
**. Joint coupler for YZF-R1M
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