Yamaha YZF-R125 Service Manual: Troubleshooting

The battery is not being charged.

NOTE:

  • Before troubleshooting, remove the following part(s):

1. Rider seat

2. Left side panel

3. Left lower side cowling

Troubleshooting


    Circuit diagram
    1. AC magneto 3. Rectifier/regulator 4. Main fuse 9. Battery ...

    Lighting system
    ...

    Other materials:

    Checking the ignition spark gap
    1. Check: Ignition spark gap Out of specification Perform the ignition system troubleshooting, starting with step 5. Refer to "TROUBLESHOOTING" on page 8-3. NOTE: If the ignition spark gap is within specification, the ignition system circuit is operating normally. a. Disconnect the spa ...

    Installing the cylinder head
    1. Install: Cylinder head NOTE: Pass the timing chain through the timing chain cavity. 2. Tighten: Cylinder head bolts "1" Cylinder head bolts "2" NOTE: Lubricate the cylinder head bolts and washers with engine oil. Tighten the cylinder head bolts in the proper tighten ...

    Periodic maintenance and adjustment
    Periodic inspection, adjustment, and lubrication will keep your vehicle in the safest and most efficient condition possible. Safety is an obligation of the vehicle owner/operator. The most important points of vehicle inspection, adjustment, and lubrication are explained on the followin ...

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