Yamaha WR450F 2021 - Page 305

ELECTRIC STARTING SYSTEM
8-6
4. Joint connector
6. Main relay
7. Engine ground
8. Battery
9. Frame ground
10.Main fuse
11.Starter relay
12.Starter motor
13.Diode 3
14.Diode 5
19.ECU (Engine Control Unit)
33.Engine stop switch
34.Gear position switch
35.Diode 1
36.Starting circuit cut-off relay
37.Clutch switch
38.Start switch
39.Diode 4
A. Battery sub-lead
B. Wire harness