Yamaha YZF-R125 Service Manual: Checking the fid (fast idle solenoid)

Yamaha YZF-R125 Service Manual / Electrical system / Electrical components / 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.


Checking the fid (fast idle solenoid)


    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:

    Assembling the front wheel
    1. Install: Wheel bearings Oil seal a. Install the new wheel bearings and oil seal in the reverse order of disassembly. CAUTION:Do not contact the wheel bearing inner race "1" or balls "2". Contact should be made only with the outer race "3". NOTE: Use a socket " ...

    Assembling the crankcase
    1. Thoroughly clean all the gasket mating surfaces and crankcase mating surfaces. 2. Apply: Sealant (onto the crankcase mating surfaces) NOTE: Do not allow any sealant to come into contact with the oil gallery. 3. Install: Right crankcase NOTE: Turn the shift drum segment ...

    Installing the piston and cylinder
    1. Install: Top ring "1" 2nd ring "2" Oil ring expander "3" Lower oil ring rail "4" Upper oil ring rail "5" NOTE: Be sure to install the piston rings so that the manufacturer marks or numbers face up. 2. Install: Piston "1" Piston pin "2" Piston pin clips "3" NOTE: ...

    2026 Copyright www.yam-r125.net |