Yamaha YZF-R125 Owners Manual: Fuel tank cap


Fuel tank cap

  1. Fuel tank cap lock cover
  2. Unlock.

To remove the fuel tank cap

  1. Open the fuel tank cap lock cover.
  2. Insert the key into the lock and turn it 1/4 turn counterclockwise. The lock will be released and the fuel tank cap can be removed.

To install the fuel tank cap

  1. Push the fuel tank cap into position with the key inserted in the lock.
  2. Turn the key clockwise to the original position, and then remove it.
  3. Close the lock cover.

TIP
The fuel tank cap cannot be installed unless the key is in the lock. In addition, the key cannot be removed if the cap is not properly installed and locked.

WARNING
Make sure that the fuel tank cap is properly installed before riding. Leaking fuel is a fire hazard.

    Brake pedal
    Brake pedal Brake pedal The brake pedal is on the right side of the motorcycle. To apply the rear brake, press down on the brake pedal. ...

    Fuel
    Make sure there is sufficient gasoline in the tank. WARNING Gasoline and gasoline vapors are extremely flammable. To avoid fires and explosions and to reduce the risk of injury when refueli ...

    Other materials:

    Checking the crankshaft position sensor
    1. Disconnect: Crankshaft position sensor coupler (from the wire harness) 2. Check: Crankshaft position sensor resistance Out of specification  Replace the crankshaft position sensor/stator assembly. a. Connect the pocket tester ( × 100) to the crankshaft position sensor c ...

    Incorrect engine idling speed
    Engine 1. Cylinder and cylinder head Incorrect valve clearance Damaged valve train components 2. Air filter Clogged air filter element Fuel system 1. Throttle body Damaged or loose throttle body joint Improperly adjusted engine idling speed (idle adjusting screw) Improper ...

    Installing the water pump
    1. Install: Water pump assembly "1" O-rings "2" NOTE: Align the projection "a" on the impeller shaft with the slit "b" on the camshaft sprocket bolt. Lubricate the O-rings with a thin coat of lithiumsoap- based grease. 2. Fill: Cooling system (with the specified amou ...

    2026 Copyright www.yam-r125.net |