Yamaha YZF-R125 Service Manual: Checking the throttle body joint and air filter case joint

Yamaha YZF-R125 Service Manual / Periodic checks and adjustments / Engine / Checking the throttle body joint and air filter case joint

1. Remove:

  • Right lower side cowling
  • Left lower side cowling Refer to "GENERAL CHASSIS" on page 4-1.

2. Check:

  • Throttle body joint "1"
  • Air filter case joint "2" Cracks/damage Replace.

Checking the throttle body joint and air filter case joint


3. Install:

  • Right lower side cowling
  • Left lower side cowling Refer to "GENERAL CHASSIS" on page 4-1.
    Cleaning the air filter element
    NOTE: There is a check hose "1" at the bottom of the air filter case. If dust and/or water collects in this hose, clean the air filter element and air filter case. 1. Remove: Rider seat ...

    Checking the fuel line
    1. Remove: Left side panel Refer to "GENERAL CHASSIS" on page 4-1. 2. Lift the fuel tank. (Do not disconnect the fuel hose, drain hose 3. Check: Fuel hose "1" Cracks/damage → Replac ...

    Other materials:

    Electrical components
    1. Main switch 2. Clutch switch 3. Front brake light switch 4. Ignition coil 5. Throttle body sensor assembly (intake air pressure sensor, intake air temperature sensor, throttle position sensor) 6. FID (fast idle solenoid) 7. Rectifier/regulator 8. Lean angle sensor 9. Starting circui ...

    Troubleshooting
    Any of the following fail to light: turn signal lights, brake light or indicator lights. The horn fails to sound. The fuel gauge fails to operate. The speedometer fails to operate. NOTE: Before troubleshooting, remove the following part(s): 1. Seats 2. Fuel tank 3. Left upper ...

    Identification
    Vehicle identification number The vehicle identification number "1" is stamped into the right side of the steering head pipe. Model label The model label "1" is affixed to the frame. This information will be needed to order spare parts. ...

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