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)


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