Yamaha YZ250FM 2021 Owner's Service Manual page 301

1
2
3
4
1. ECU (Engine Control Unit)
2. Lead battery (12 V)
3. Vehicle battery
4. Vehicle
5. Coupler for connecting optional part
6. FI diagnostic tool sub-lead
7. Sub-harness (included with the Yamaha diag-
nostic tool)
8. Vehicle communication cable (included with
the Yamaha diagnostic tool)
9. Yamaha diagnostic tool
5 6
5 5
8-16
FUEL INJECTION SYSTEM
7
8
9