Yamaha YZF-R125 Service Manual: Checking the fid (fast idle solenoid)
1. Disconnect:
- FID (fast idle solenoid) coupler
2. Check:
- FID (fast idle solenoid) resistance
a. Disconnect the FID (fast idle solenoid) coupler from the FID.
b. Connect the pocket tester ( 
× 10)
to the terminals
of the FID (fast idle solenoid).
- Positive tester probe
red/black terminal "1" - Negative tester probe
yellow/red terminal "2"
c. Measure the FID (fast idle solenoid) resistance.
Out of specification Replace
the throttle
body assembly.
Intake air temperature sensor
1. Check:
Intake air temperature sensor resistance
Out of specification Replace
the throttle
body.
a. Connect the pocket tester ( ×
1k) to the
throttle body sensor assembly co ...
Troubleshooting
...
Other materials:
Removing the front wheel (disc)
1. Stand the vehicle on a level surface.
WARNINGSecurely support the vehicle so that there
is
no danger of it falling over.
2. Elevate:
Front wheel
NOTE:
Place the vehicle on a suitable stand so that the
front wheel is elevated.
3. Remove:
Front brake caliper
NO ...
Changing the coolant
1. Remove:
Lower side cowlings
Refer to "GENERAL CHASSIS" on page 4-1.
2. Remove:
Radiator cap "1"
WARNINGA hot radiator is under pressure.
Therefore,
do not remove the radiator cap when the engine
is hot. Scalding hot fluid and steam may
be blown out, which c ...
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 direction of the arrow
shown in the illustration to remove the clip.
2. Drain:
Fork oil
NOTE ...