Yamaha YZF-R125 Service Manual: Circuit diagram

Circuit diagram


2. Crankshaft position sensor

4. Main fuse

5. Main switch

6. Radiator fan motor fuse

8. Sidestand switch

9. Battery

17.Engine stop switch

19.Intake air pressure sensor

20.Intake air temperature sensor

21.Throttle position sensor

22.Coolant temperature sensor

23.Lean angle sensor

24.Self-diagnosis signal connector

25.ECU (engine control unit)

26.Ignition coil

27.Spark plug

28.FID (fast idle solenoid)

29.Fuel injector

30.Fuel pump

32.Radiator fan motor relay

33.Radiator fan motor

63.Engine trouble warning light

64.Ignition fuse

66.Signaling system fuse

67.Speed sensor

    Fuel injection system
    ...

    Ecu self-diagnostic function
    The ECU is equipped with a self-diagnostic function in order to ensure that the fuel injection system is operating normally. If this function detects a malfunction in the system, it immediately o ...

    Other materials:

    Removing the front fork legs
    The following procedure applies to both of the front fork legs. 1. Stand the vehicle on a level surface. WARNINGSecurely support the vehicle so that there is no danger of it falling over. 2. Loosen: Handlebar pinch bolt "1" Handlebar bolt "2" Upper bracket ...

    Introduction
    WARNINGDisc brake components rarely require disassembly. Therefore, always follow these preventive measures: Never disassemble brake components unless absolutely necessary. If any connection on the hydraulic brake system is disconnected, the entire brake sy ...

    Protective apparel
    The majority of fatalities from motorcycle accidents are the result of head injuries. The use of a safety helmet is the single most critical factor in the prevention or reduction of head injuries. Always wear an approved helmet. Wear a face shield or goggles. Wind in your unprotecte ...

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