Yamaha YZF-R125 Service Manual: Adjusting the throttle cable free play
NOTE:
Prior to adjusting the throttle cable free play, the engine idling speed should be adjusted.
1. Check:
- Throttle cable free play "a" Out of specification →Adjust.
2. Remove:
- Right side panel Refer to "GENERAL CHASSIS" on page 4-1.
3. Adjust:
- Throttle cable free play
a. Loosen the locknut "1" on the accelerator cable.
b. Turn the adjusting nut "2" in direction "a" or "b" until the specified throttle cable free play is obtained.
c. Tighten the locknut. 
NOTE:
If the specified throttle cable free play cannot be obtained on the throttle body end of the cable, use the adjusting nut on the handlebar end.
a. Slide back the rubber cover "1".
b. Loosen the locknut "2".
c. Turn the adjusting nut "3" in direction "a" or "b" until the specified throttle cable free play is obtained.
d. Tighten the locknut.
e. Slide the rubber cover to its original position.
| WARNING After adjusting the throttle cable free play, start the engine and turn the handlebar to the right or left to ensure that this does not cause the engine idling speed to change. |
4. Install:
- Right side panel Refer to "GENERAL CHASSIS" on page 4-1.
Adjusting the engine idling speed
NOTE:
Prior to adjusting the engine idling speed, the air
filter element should be clean, and the engine
should have adequate compression.
1. Start the engine and let it warm up for several
minut ...
Checking the spark plug
1. Remove:
Right side cover
Refer to "GENERAL CHASSIS" on page 4-1.
2. Disconnect:
Spark plug cap
3. Remove:
Spark plug
CAUTION:Before removing the spark plug, blow away
...
Other materials:
Checking the primary drive gear
1. Remove:
Primary drive gear
Refer to "BALANCER GEAR" on page 5-53.
2. Check:
Primary drive gear
Damage/wear Replace the
primary drive
gear and clutch housing as a set.
Excessive noise during operation
Replace
the primary drive gear and clutch housing as
a set
...
Coolant
The coolant level should be checked
before each ride. In addition, the coolant
must be changed at the intervals
specified in the periodic maintenance
and lubrication chart.
To check the coolant level
Place the vehicle on a level surface
and hold it in an upright position.
TIP
...
Replacing the fuses
Replacing the fuses
Fuse box
Spare fuse
Headlight fuse
Signaling system fuse
Ignition fuse
Radiator fan fuse
Main fuse
The fuse box is located under the rider
seat.
If a fuse is blown, replace it as follows.
Turn the key to "OFF" and turn off
the electrical circuit i ...