Yamaha YZF-R125 Service Manual: Checking the front fork legs
The following procedure applies to both of the front fork legs.
1. Check:
- Inner tube
- Outer tube
Bends/damage/scratches
Replace.
| WARNING Do not attempt to straighten a bent inner tube as this may dangerously weaken it. |
2. Measure:
- Spring free length "a"
Out of specification
Replace.
3. Check:
- Damper rod
Damage/wear
Replace.
Obstruction
Blow out all
of the oil passages with compressed air. - Oil flow stopper
Damage
Replace.
| CAUTION: When disassembling and assembling the front fork leg, do not allow any foreign material to enter the front fork. |
Disassembling the front fork legs
The following procedure applies to both of the
front fork legs.
1. Remove:
Rubber cap
Clip "1"
Front fork cap "2"
(with O-ring)
Fork spring
NOTE:
Push the front fork cap in the direc ...
Assembling the front fork legs
The following procedure applies to both of the
front fork legs.
WARNING
Make sure the oil levels in both front fork
legs are equal.
Uneven oil levels can result in poor handling
...
Other materials:
Lubrication diagrams
Clutch push lever
Main axle
Drive axle
Crankshaft
Oil filter
Oil pump assembly
Oil strainer
To cylinder head
Camshaft
Crankshaft
Main axle
Drive axle
...
Installing the piston and cylinder
1. Install:
Top ring "1"
2nd ring "2"
Oil ring expander "3"
Lower oil ring rail "4"
Upper oil ring rail "5"
NOTE:
Be sure to install the piston rings so that the
manufacturer marks or numbers face up.
2. Install:
Piston "1"
Piston pin "2"
Piston pin clips "3"
NOTE:
...
Checking the brake fluid level
Front brake
Front brake
Minimum level mark
Rear brake
Rear brake
Minimum level mark
Insufficient brake fluid may allow air to
enter the brake system, possibly causing
it to become ineffective.
Before riding, check that the brake fluid
is above the minimum level mark an ...