Yamaha YZ450F 2021 - Page 291

ELECTRIC STARTING SYSTEM
8-8
4. Joint connector
5. Main relay
6. Battery
7. Engine ground
8. Frame ground
9. Fuse
10.Starter relay
11.Starter motor
12.Diode 1
13.Diode 2
16.ECU (Engine Control Unit)
25.Engine stop switch
27.Gear position switch
29.Start switch
30.Diode 3
A. Battery sub-lead
B. Wire harness