Yamaha YZF-R125 Service Manual: Circuit diagram

Circuit diagram


4. Main fuse

5. Main switch

9. Battery

14.Neutral switch

25.ECU (engine control unit)

31.Fuel sender

34.Rear brake light switch

35.Front brake light switch

37.Tail/brake light

38.Rear right turn signal light

39.Rear left turn signal light

40.Front right turn signal light

41.Front left turn signal light

42.Turn signal relay

43.Horn

48.Horn switch

49.Turn signal switch

56.Multi-function meter

57.Tachometer

61.Turn signal indicator light

62.Neutral indicator light

64.Ignition fuse

66.Signaling system fuse

67.Speed sensor

    Signaling system
    ...

    Troubleshooting
    Any of the following fail to light: turn signal lights, brake light or indicator lights. The horn fails to sound. The fuel gauge fails to operate. The speedometer fails to operate. NOTE ...

    Other materials:

    Removing the cylinder head
    1. Align: "I" mark "a" on the generator rotor (with the stationary pointer "b" on the generator cover) a. Turn the crankshaft counterclockwise. b. When the piston is at TDC on the compression stroke, align the "I" mark "c" on the camshaft sprocket with the mark "d" on the cylinder h ...

    Circuit diagram
    4. Main fuse 5. Main switch 9. Battery 25.ECU (engine control unit) 36.License plate light 37.Tail/brake light 44.Headlight relay 46.Pass switch 47.Dimmer switch 51.Headlight (low beam) 52.Auxiliary light 54.Headlight (high beam) 58.Meter light 60.High beam indicator light 64.Ignit ...

    Catalytic converters
    This vehicle is equipped with catalytic converters in the exhaust system. WARNING The exhaust system is hot after operation. To prevent a fire hazard or burns: Do not park the vehicle near possible fire hazards such as grass or other materials that easily burn. Park the vehic ...

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