Yamaha YZF-R125 Service Manual: 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.
d. Tighten the locknut.
e. Place the rubber cover in its original position.
NOTE:
If the specified clutch cable free play cannot be obtained on the handlebar end of the cable, use the adjusting nut on the engine end.
3. Remove:
- Left lower side cowling Refer to "GENERAL CHASSIS" on page 4-1.
a. Loosen the locknut "1".
b. Turn the adjusting nut "2" in direction "a" or "b"
until the specified clutch cable free play is obtained.
c. Tighten the locknut.
4. Install:
- Left lower side cowling Refer to "GENERAL CHASSIS" on page 4-1.
Changing the engine oil
1. Remove:
Right bottom cowling
Right upper side cowling
Right lower side cowling
Refer to "GENERAL CHASSIS" on page 4-1.
2. Start the engine, warm it up for several minutes,
and then tu ...
Cleaning the air filter element
NOTE:
There is a check hose "1" at the bottom of the air
filter case. If dust and/or water collects in this
hose, clean the air filter element and air filter
case.
1. Remove:
Rider seat
...
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 ...
Adjusting the exhaust gas volume
NOTE:
Be sure to set the CO density level to standard,
and then adjust the exhaust gas volume.
1. Remove:
Rider seat
Refer to "GENERAL CHASSIS" on page 4-1.
2. Set the main switch to "OFF".
3. Disconnect:
Self-diagnosis signal connector "1"
4. Connect:
FI diagnostic tool "2 ...
Fi system
The fuel pump delivers fuel to the fuel injector via the fuel filter. The
pressure regulator maintains the
fuel pressure that is applied to the fuel injector at only 250 kPa (2.50 kg/cm²,
36.3 psi). Accordingly,
when the energizing signal from the ECU energizes the fuel injector, the fuel ...