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:

    Checking the camshaft sprocket and timing chain guide
    1. Check: Camshaft sprocket More than 1/4 tooth wear "a" Replace the camshaft sprocket, timing chain and crankshaft as a set. a. 1/4 tooth b. Correct 1. Timing chain roller 2. Camshaft sprocket 2. Check: Timing chain guide (exhaust side) Damage/wear Replace. ...

    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 Refer to "GENERAL CHASSIS" on page 4-1. 2. Remove: Fuel tank Refer to "FUEL TANK" on page ...

    Front wheel
    To remove the front wheel WARNING To avoid injury, securely support the vehicle so there is no danger of it falling over. Loosen the front wheel axle pinch bolt, then the wheel axle and the brake caliper bolts. Front wheel axle pinch bolt Lift the front wheel of ...

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