Yamaha YZF-R125 Service Manual: Checking the rear wheel
1. Check:
- Rear wheel axle
- Rear wheel
- Wheel bearings
- Oil seals Refer to "CHECKING THE FRONT WHEEL" on page 4-8.
2. Check:
- Tire
- Rear wheel Damage/wear → Replace.
Refer to "CHECKING THE TIRES" on page 3-23 and "CHECKING THE WHEELS" on page 3-25.
3. Measure:
- Radial wheel runout
- Lateral wheel runout
Refer to "CHECKING THE FRONT WHEEL"
on page 4-8.
Checking the rear brake caliper bracket
1. Check:
- Rear brake caliper bracket Cracks/damage → Replace.
Checking the rear wheel drive hub
1. Check:
- Rear wheel drive hub Cracks/damage → Replace.
- Rear wheel drive hub dampers Damage/wear → Replace.
Removing the rear wheel (disc)
1. Stand the vehicle on a level surface.
WARNINGSecurely support the vehicle
so that there is
no danger of it falling over.
2. Elevate:
Rear wheel
NOTE:
Place the vehicle ...
Checking and replacing the rear wheel sprocket
1. Check:
Rear wheel sprocket
More than 1/4 tooth "a" wear
Replace the
rear wheel sprocket.
Bent teeth Replace the rear
wheel sprocket.
b. Correct
1. Drive chain roller
2. ...
Other materials:
Faulty lighting or signaling system
Headlight does not come on
- Wrong headlight bulb
- Too many electrical accessories
- Hard charging
- Incorrect connection
- Improperly grounded circuit
- Poor contacts (main or light switch)
- Burnt-out headlight bulb
Headlight bulb burnt out
- Wrong headlight bulb
- Faulty battery
- Fau ...
Drive chain slack
The drive chain slack should be
checked before each ride and adjusted
if necessary.
To check the drive chain slack
Place the motorcycle on the sidestand.
TIP
When checking and adjusting the drive
chain slack, there should be no weight
on the motorcycle.
Shift the transmission in ...
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 ...