Yamaha YZF-R125 Service Manual: Replacing the headlight bulbs
The following procedure applies to the low beam headlight bulb.
1. Remove:
- Headlight bulb cover "1"
2. Remove:
- Headlight bulb holder "1"
3. Remove:
- Headlight bulb "1"
| WARNING Since the headlight bulb gets extremely hot, keep flammable products and your hands away from the bulb until it has cooled down. |
4. Install:
- Headlight bulb
Secure the new headlight bulb with the headlight bulb holder.
| CAUTION: Avoid touching the glass part of the headlight bulb to keep it free from oil, otherwise the transparency of the glass, the life of the bulb and the luminous flux will be adversely affected. If the headlight bulb gets soiled, thoroughly clean it with a cloth moistened with alcohol or lacquer thinner. |
5. Install:
- Headlight bulb holder
6. Install:
- Headlight bulb cover
The following procedure applies to the high beam headlight bulb.
1. Remove:
- Headlight bulb cover "1"
2. Disconnect:
- Headlight coupler "1"
3. Remove:
- Headlight bulb holder "1"
4. Remove:
- Headlight bulb "1"
| WARNING Since the headlight bulb gets extremely hot, keep flammable products and your hands away from the bulb until it has cooled down. |
5. Install:
Headlight bulb 
Secure the new headlight bulb with the headlight
bulb holder.
| CAUTION: Avoid touching the glass part of the headlight bulb to keep it free from oil, otherwise the transparency of the glass, the life of the bulb and the luminous flux will be adversely affected. If the headlight bulb gets soiled, thoroughly clean it with a cloth moistened with alcohol or lacquer thinner. |
6. Install:
- Headlight bulb holder
7. Connect:
- Headlight coupler
8. Install:
- Headlight bulb cover
Electrical system
Checking and charging the battery
Refer to "ELECTRICAL COMPONENTS" on
page 8-57.
Checking the fuses
Refer to "ELECTRICAL COMPONENTS" on
page 8-57. ...
Adjusting the headlight beams
The following procedure applies to both of the
headlights.
1. Adjust:
Headlight beam (vertically)
a. Turn the adjusting screw "1" in direction "a" or
"b".
A. Left headlight
B. Right he ...
Other materials:
Removing the starter clutch
1. Remove:
Starter clutch bolts "1"
NOTE:
While holding the generator rotor "2" with the
sheave holder "3", remove the starter clutch
bolts.
Do not allow the sheave holder to touch the
projection on the generator rotor.
...
Checking the coolant temperature sensor
1. Remove:
Coolant temperature sensor
WARNING
Handle the coolant temperature sensor
with special care.
Never subject the coolant temperature sensor
to strong shocks. If the coolant temperature
sensor is dropped, replace it.
2. Check:
Coolant temper ...
Owner's tool kit
Owner's tool kit
Owner's tool kit
Engine oil drain attachment
The owner's tool kit is located under the
rider seat.
The service information included in this
manual and the tools provided in the
owner's tool kit are intended to assist
you in the performance of preventive
maint ...