Yamaha YZF-R125 Service Manual: Chassis
- General chassis
- Front wheel
- Removing the front wheel (disc)
- Disassembling the front wheel
- Checking the front wheel
- Assembling the front wheel
- Adjusting the front wheel static balance
- Installing the front wheel (disc)
- Rear wheel
- Removing the rear wheel (disc)
- Checking the rear wheel
- Checking and replacing the rear wheel sprocket
- Adjusting the rear wheel static balance
- Installing the rear wheel (disc)
- Front brake
- Introduction
- Checking the front brake disc
- Replacing the front brake pads
- Removing the front brake caliper
- Checking the front brake caliper
- Assembling the front brake caliper
- Installing the front brake caliper
- Removing the front brake master cylinder
- Checking the front brake master cylinder
- Installing the front brake master cylinder
- Rear brake
- Introduction
- Checking the rear brake disc
- Replacing the rear brake pads
- Removing the rear brake caliper
- Disassembling the rear brake caliper
- Checking the rear brake caliper
- Assembling the rear brake caliper
- Installing the rear brake caliper
- Removing the rear brake master cylinder
- Checking the rear brake master cylinder
- Assembling the rear brake master cylinder
- Installing the rear brake master cylinder
- Handlebars
- Front fork
- Removing the front fork legs
- Disassembling the front fork legs
- Checking the front fork legs
- Assembling the front fork legs
- Installing the front fork legs
- Steering head
- Rear shock absorber assembly
- Removing the rear shock absorber assembly
- Checking the rear shock absorber assembly
- Checking the connecting arms and relay arm
- Installing the relay arm
- Installing the rear shock absorber assembly
- Swingarm
- Chain drive
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 ...
General chassis
Installing the air filter case
1. Install:
Air filter case joint clamp
NOTE:
Align the projection "a" on the air filter case with
the slot "b" in the air filter case joint cl ...
Other materials:
Removing the primary drive gear and balancer gears
1. Loosen:
Primary drive gear nut "1"
NOTE:
Place the aluminum plate "a" between the balancer
drive gear "2" and the balancer driven
gear "3", and then loosen the primary drive gear
nut.
2. Straighten the lock washer tab.
3. Loosen:
Balancer driven gear nut "1"
NOTE:
Place ...
Cleaning and lubricating the drive chain
The drive chain must be cleaned and
lubricated at the intervals specified in
the periodic maintenance and lubrication
chart, otherwise it will quickly wear
out, especially when riding in dusty or
wet areas. Service the drive chain as
follows.
NOTICE
The drive chain must be lubricated
...
Checking the valves and valve guides
The following procedure applies to all of the
valves and valve guides.
1. Measure:
Valve-stem-to-valve-guide clearance
Out of specification Replace the
valve
guide.
Valve-stem-to-valve-guide clearance =
Valve guide inside diameter "a" -
Valve stem diameter "b"
2. Replace:
...