Yamaha YZF-R125 Service Manual: Important information

Multi-function display
1. Multi-function display 2. "RESET/SELECT" button The multi-function display is equipped with the following: a speedometer (which shows the riding speed) an odometer (which shows the t ...

Preparation for removal and disassembly
1. Before removal and disassembly, remove all dirt, mud, dust and foreign material. 2. Use only the proper tools and cleaning equipment. Refer to "SPECIAL TOOLS" on page 1-8. 3. When disas ...

Other materials:

Assembling the front fork legs
The following procedure applies to both of the front fork legs. WARNING Make sure the oil levels in both front fork legs are equal. Uneven oil levels can result in poor handling and a loss of stability. NOTE: When assembling the front fork leg, be sure to rep ...

Assembling the front wheel
1. Install: Wheel bearings Oil seal a. Install the new wheel bearings and oil seal in the reverse order of disassembly. CAUTION:Do not contact the wheel bearing inner race "1" or balls "2". Contact should be made only with the outer race "3". NOTE: Use a socket " ...

Overheating
Engine 1. Clogged coolant passages Cylinder head and piston Heavy carbon buildup 2. Engine oil Incorrect oil level Incorrect oil viscosity Inferior oil quality Cooling system 1. Coolant Low coolant level 2. Radiator Damaged or leaking radiator Faulty radiator cap ...

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