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:
Battery
A poorly maintained battery will corrode
and discharge quickly. The electrolyte
level, battery lead connections and
breather hose routing should be
checked before each ride and at the intervals
specified in the periodic maintenance
and lubrication chart.
WARNING
Electrolyte is pois ...
Air induction system
1. Air induction system hose (air filter case to
reed valve assembly)
2. Air induction system reed valve assembly
3. Air induction system hose (reed valve
assembly to exhaust pipe)
Checking the air induction system
Air injection
The air induction system burns unburned exhaust
gases b ...
Checking the rectifier/regulator
1. Check:
Rectifier/regulator output voltage
Out of specification → Replace the
rectifier/
regulator.
a. Set the engine tachometer to the spark plug
lead.
b. Connect the pocket tester (DC 20 V) to the
rectifier/regulator coupler as shown.
Positive tester probe
red "1"
Negat ...