Yamaha YZF-R125 Service Manual: Troubleshooting

NOTE:

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

1. Rider seat

2. Fuel tank

3. Right upper side cowling

4. Passenger seat

Troubleshooting


    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.Ig ...

    Fuel injection system
    ...

    Other materials:

    Lubrication diagrams
    Clutch push lever Main axle Drive axle Crankshaft Oil filter Oil pump assembly Oil strainer To cylinder head Camshaft Crankshaft Main axle Drive axle ...

    Separating the crankcase
    1. Remove: Crankcase bolts NOTE: Loosen each bolt 1/4 of a turn at a time, in stages and in the proper sequence as shown. A. Right crankcase B. Left crankcase 2. Turn: Shift drum segment NOTE: Turn the shift drum segment "1" to the position shown in the illustration. In this ...

    Installing the rear wheel (disc)
    1. Install: Rear brake disc NOTE: Tighten the brake disc bolts in stages and in a crisscross pattern. 2. Check: Rear brake disc Refer to "CHECKING THE REAR BRAKE DISC" on page 4-33. 3. Lubricate: Rear wheel axle Contact surface of rear wheel hub and rear wheel Whee ...

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