Yamaha SR400 2014 Service Manual page 311

ELECTRICAL COMPONENTS
1. Engine temperature sensor
2. Intake air pressure sensor
3. ISC (idle speed control) valve
4. Fuel injector
5. Throttle position sensor
6. ECU (engine control unit)
7. Headlight relay (on/off)
8. Fuel pump relay
9. Turn signal/hazard relay
10.Lean angle sensor
11.Fuel pump
12.Intake air temperature sensor
13.Stator coil assembly
14.Air induction system solenoid
15.O sensor
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