Yamaha YZF-R125 Service Manual: Checking the rear brake hose
1. Check:
- Brake hoses "1"
Cracks/damage/wear
Replace.
2. Check:
- Brake hose holder "2"
Loose connection
Tighten the
holder bolt.Loose or open holder
Fasten
properly.
3. Hold the vehicle upright and apply the rear brake several times.
4. Check:
Brake hoses
Brake fluid leakage Replace the
damaged
hose.
Refer to "REAR BRAKE" on page 4-28.
Checking the front brake hose
1. Check:
Brake hose "1"
Cracks/damage/wear
Replace.
2. Check:
Brake hose holder "2"
Loose connection Tighten the
holder bolt.
3. Hold the vehicle upright and apply ...
Bleeding the hydraulic brake system
WARNINGBleed the hydraulic brake system whenever:
the system is disassembled.
a brake hose is loosened, disconnected or
replaced.
the brake fluid level is very low.
brak ...
Other materials:
Starting circuit cut-off system operation
If the engine stop switch is set to "
" and the main switch is set to
"ON" (both switches are closed), the
starter motor can only operate if at least one of the following conditions is
met:
The transmission is in neutral (the neutral switch is closed).
The clutch lever is pulled to the ...
Checking the valve springs
The following procedure applies to all of the
valve springs.
1. Measure:
Valve spring free length "a"
Out of specification Replace the valve
spring.
2. Measure:
Compressed valve spring force "a"
Out of specification Replace the valve
spring.
b. Installed length
3. ...
Installing the drive chain
1. Lubricate:
Drive chain
Master link
2. Install:
Drive sprocket
Drive sprocket retainer bolts
3. Install:
Master link
O-rings
Master link plate
Master link clip "1"
CAUTION:
The closed end of the master link clip must
face in the direction of drive ch ...