Yamaha YZF-R125 Service Manual: Checking the throttle body sensor assembly

Yamaha YZF-R125 Service Manual / Electrical system / Electrical components / Checking the throttle body sensor assembly

WARNING
  • Do not remove the throttle body sensor assembly.
  • Handle the throttle body sensor assembly with special care
  • Never subject the throttle body sensor assembly to strong shocks. If the throttle body sensor assembly is dropped, replace it.
Checking the coolant temperature sensor
1. Remove: Coolant temperature sensor WARNING Handle the coolant temperature sensor with special care. Never subject the coolant temperature sensor to strong shocks. If t ...

Throttle position sensor
1. Check: Throttle position sensor a. Connect the digital circuit tester to the terminals of the throttle body sensor assembly coupler as shown. Positive tester probe → gray/red t ...

Other materials:

Installing the clutch
1. Install: Conical spring washer "1" NOTE: Install the conical spring washer as shown in the illustration. 2. Install: Clutch housing Thrust washer "1" NOTE: Be sure to install the thrust washer so that its sharp edge "a" is facing away from the clutch boss. 3. Instal ...

Checking the shift forks
The following procedure applies to all of the shift forks. 1. Check: Shift fork cam follower "1" Shift fork pawl "2" Bends/damage/scoring/wear Replace the shift fork. 2. Check: Shift fork guide bar Roll the shift fork guide bar on a flat surface. Bends  Replace. ...

Removing the starter clutch
1. Remove: Starter clutch bolts "1" NOTE: While holding the generator rotor "2" with the sheave holder "3", remove the starter clutch bolts. Do not allow the sheave holder to touch the projection on the generator rotor. ...

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