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
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    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:

    Adjusting the brake pedal free play
    Adjusting the brake pedal free play Brake pedal free play The brake pedal free play should measure 3.5-4.5 mm (0.14-0.18 in) as shown. Periodically check the brake pedal free play and, if necessary, have a Yamaha dealer adjust it. WARNING An incorrect brake pedal free play in ...

    Installing the valves
    The following procedure applies to all of the valves and related components. 1. Deburr: Valve stem end (with an oil stone) 2. Lubricate: Valve stem "1" Valve stem seal "2" (with the recommended lubricant) 3. Install: Lower spring seat "1" Valve stem seal "2" V ...

    Engine specifications
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