Yamaha YZF-R125 Owners Manual: Valve clearance
The valve clearance changes with use, resulting in improper air-fuel mixture and/or engine noise. To prevent this from occurring, the valve clearance must be adjusted by a Yamaha dealer at the intervals specified in the periodic maintenance and lubrication chart.
Adjusting the throttle cable free play
Throttle cable free play
The throttle cable free play should measure
3.0-5.0 mm (0.12-0.20 in) at the
throttle grip. Periodically check the
throttle cable free play and, if necessar ...
Tires
To maximize the performance, durability,
and safe operation of your motorcycle,
note the following points regarding
the specified tires.
Tire air pressure
The tire air pressure should be check ...
Other materials:
Circuit diagram
2. Crankshaft position sensor
4. Main fuse
5. Main switch
6. Radiator fan motor fuse
8. Sidestand switch
9. Battery
17.Engine stop switch
19.Intake air pressure sensor
20.Intake air temperature sensor
21.Throttle position sensor
22.Coolant temperature sensor
23.Lean angle sensor
24.S ...
Checking the fuel sender
1. Drain the fuel from the fuel tank.
2. Check:
Fuel sender resistance
Out of specification → Replace the fuel
sender.
a. Connect the pocket tester ( ×
10) to the fuel
sender coupler as shown.
Positive tester probe
sky blue "1"
Negative tester probe
orange/white " ...
Replacing the front brake pads
NOTE:
When replacing the brake pads, it is not necessary
to disconnect the brake hose or disassemble
the brake caliper.
1. Measure:
Brake pad wear limit "a"
Out of specification Replace
the brake
pads as a set.
2. Install:
Brake pad support
Brake pad spring
Brake pads ...