Yamaha YZF-R125 Service Manual: 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:
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NOTE:
Before removing the hose, place a few rags in the area under where it will be removed.
4. Remove:
- Fuel tank
Checking the fuel pump body
1. Check:
Fuel pump body
Obstruction 
Clean.
Cracks/damage
Replace the fuel tank.
Fuel tank
...
Installing the fuel hose
1. Install:
Fuel hose
Fuel hose connector cover
CAUTION:When installing the fuel hose, make sure
that
it is securely connected, and that the fuel
hose connector cover is in t ...
Other materials:
Sidestand
The sidestand is located on the left side
of the frame. Raise the sidestand or
lower it with your foot while holding the
vehicle upright.
TIP
The built-in sidestand switch is part of
the ignition circuit cut-off system, which
cuts the ignition in certain situations.
WARNING
The vehicl ...
Adjusting the front wheel static balance
NOTE:
After replacing the tire, wheel or both, the front
wheel static balance should be adjusted.
Adjust the front wheel static balance with the
brake discs installed.
1. Remove:
Balancing weight(s)
2. Find:
Front wheel's heavy spot
NOTE:
Place the front wheel on a suitab ...
Adjusting the clutch cable free play
1. Check:
Clutch cable free play "a"
Out of specification Adjust.
2. Adjust:
Clutch cable free play
a. Pull back the rubber cover "1"
b. Loosen the locknut "2".
c. Turn the adjusting bolt "3" in direction "a" or
"b" until the specified clutch cable free play is
obtained.
...