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:

Removing the cylinder head
1. Align: "I" mark "a" on the generator rotor (with the stationary pointer "b" on the generator cover) a. Turn the crankshaft counterclockwise. b. When the piston is at TDC on the compression stroke, align the "I" mark "c" on the camshaft sprocket with the mark "d" on the cylinder h ...

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 ...

Battery
A poorly maintained battery will corrode and discharge quickly. The electrolyte level, battery lead connections and breather hose routing should be checked before each ride and at the intervals specified in the periodic maintenance and lubrication chart. WARNING Electrolyte is pois ...

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