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:
Removing the fuel tank
1. Extract the fuel in the fuel tank through the
fuel tank filler hole with a pump.
2. Remove:
Fuel hose connector cover "1"
3. Disconnect:
Fuel hose "2"
CAUTION:
Be sure to disconnect the fuel hose by
hand. Do not forcefully disconnect the
hose with tools.
A ...
Troubleshooting
Although Yamaha motorcycles receive
a thorough inspection before shipment
from the factory, trouble may occur during
operation. Any problem in the fuel,
compression, or ignition systems, for
example, can cause poor starting and
loss of power.
The following troubleshooting charts
repre ...
Clutch lever
Clutch lever
Clutch lever
The clutch lever is located at the left
handlebar grip. To disengage the
clutch, pull the lever toward the handlebar
grip. To engage the clutch, release
the lever. The lever should be pulled
rapidly and released slowly for smooth
clutch operation.
Th ...