Yamaha YZF-R125 Service Manual: Circuit diagram

Circuit diagram


4. Main fuse

5. Main switch

9. Battery

17.Engine stop switch

25.ECU (engine control unit)

30.Fuel pump

64.Ignition fuse

    Fuel pump system
    ...

    Troubleshooting
    If the fuel pump fails to operate. NOTE: Before troubleshooting, remove the following part(s): 1. Rider seat 2. Fuel tank ...

    Other materials:

    Checking the primary drive gear
    1. Remove: Primary drive gear Refer to "BALANCER GEAR" on page 5-53. 2. Check: Primary drive gear Damage/wear  Replace the primary drive gear and clutch housing as a set. Excessive noise during operation Replace the primary drive gear and clutch housing as a set ...

    Removing the valves
    The following procedure applies to all of the valves and related components. NOTE: Before removing the internal parts of the cylinder head (e.g., valves, valve springs, valve seats), make sure the valves properly seal. 1. Check: Valve sealing Leakage at the valve seat Check the valve ...

    Cast wheels
    To maximize the performance, durability, and safe operation of your vehicle, note the following points regarding the specified wheels. The wheel rims should be checked for cracks, bends or warpage before each ride. If any damage is found, have a Yamaha dealer replace the wheel. ...

    2026 Copyright www.yam-r125.net |