Yamaha YZF-R125 Service Manual: Circuit diagram

Circuit diagram


4. Main fuse

5. Main switch

6. Radiator fan motor fuse

9. Battery

22.Coolant temperature sensor

32.Radiator fan motor relay

33.Radiator fan motor

59.Coolant temperature warning light

64.Ignition fuse

66.Signaling system fuse

    Cooling system
    ...

    Troubleshooting
    NOTE: Before troubleshooting, remove the following part(s): 1. Rider seat 2. Fuel tank 3. Right upper side cowling 4. Passenger seat ...

    Other materials:

    Adjusting the front wheel static balance
    NOTE: After replacing the tire, wheel or both, the front wheel static balance should be adjusted. Adjust the front wheel static balance with the brake discs installed. 1. Remove: Balancing weight(s) 2. Find: Front wheel's heavy spot NOTE: Place the front wheel on a suitab ...

    Removing the primary drive gear and balancer gears
    1. Loosen: Primary drive gear nut "1" NOTE: Place the aluminum plate "a" between the balancer drive gear "2" and the balancer driven gear "3", and then loosen the primary drive gear nut. 2. Straighten the lock washer tab. 3. Loosen: Balancer driven gear nut "1" NOTE: Place ...

    Intake air pressure sensor
    1. Check: Intake air pressure sensor output voltage Out of specification Replace the throttle body. a. Connect the pocket tester (DC 20 V) to the throttle body sensor assembly coupler as shown. Positive tester probe pink/white "1" Negative tester probe gray/black "2" ...

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