Yamaha YZF-R125 Service Manual: Installing the steering head
1. Lubricate:
- Upper bearing
- Lower bearing
- Bearing races
2. Install:
- Lower ring nut
- Rubber washer
- Upper ring nut
- Lock washer Refer to "CHECKING AND ADJUSTING THE STEERING HEAD" on page 3-22.
3. Install:
- Upper bracket
- Steering stem nut
NOTE:
Temporarily tighten the steering stem nut.
4. Install:
- Front fork legs Refer to "FRONT FORK" on page 4-44.
NOTE:
Temporarily tighten the upper and lower bracket pinch bolts.
5. Tighten:
- Steering stem nut
Checking the steering head
1. Wash:
Bearings
Bearing races
2. Check:
Bearings
Bearing races
Damage/pitting →Replace.
3. Replace:
Bearings
Bearing races
a. Remove the bearing races from the ste ...
Other materials:
Checking the brake fluid level
1. Stand the vehicle on a level surface.
NOTE:
Place the vehicle on a suitable stand.
Make sure the vehicle is upright.
2. Check:
Brake fluid level
Below the minimum level mark "a" → Add the
recommended brake fluid to the proper level.
A. Front brake
B. Rear brake
WA ...
Removing the rear brake caliper
NOTE:
Before disassembling the brake caliper, drain
the brake fluid from the entire brake system.
1. Remove:
Union bolt "1"
Copper washers "2"
Brake hose "3"
NOTE:
Put the end of the brake hose into a container
and pump out the brake fluid carefully. ...
Checking the clutch housing
1. Check:
Clutch housing dogs "1"
Damage/pitting/wear
Deburr the clutch
housing dogs or replace the clutch housing.
NOTE:
Pitting on the clutch housing dogs will cause erratic
clutch operation.
2. Check:
Bearing
Damage/wear Replace the
bearing and
clutch housin ...