Yamaha YZF-R125 Service Manual: Checking the cylinder head breather hose

Yamaha YZF-R125 Service Manual / Periodic checks and adjustments / Engine / Checking the cylinder head breather hose

1. Remove:

  • Left side panel Refer to "GENERAL CHASSIS" on page 4-1.

2. Check:

  • Cylinder head breather hose "1" Cracks/damage → Replace.

    Loose connection → Connect properly.

CAUTION:

Make sure the cylinder head breather hose is routed correctly.

Checking the cylinder head breather hose


3. Install:

  • Left side panel Refer to "GENERAL CHASSIS" on page 4-1.
    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 ...

    Checking the exhaust system
    1. Check: Exhaust assembly "1" Cracks/damage → Replace. Exhaust pipe gasket "2" Exhaust gas leaks → Replace. 2. Check: Tightening torques of the exhaust pipe nuts "3" an ...

    Other materials:

    Tachometer
    Tachometer Tachometer Tachometer red zone The electric tachometer allows the rider to monitor the engine speed and keep it within the ideal power range. When the key is turned to "ON", the tachometer needle will sweep once across the r/min range and then return to zero r/min ...

    Adjusting the throttle cable free play
    NOTE: Prior to adjusting the throttle cable free play, the engine idling speed should be adjusted. 1. Check: Throttle cable free play "a" Out of specification →Adjust. 2. Remove: Right side panel Refer to "GENERAL CHASSIS" on page 4-1. 3. Adjust: Throttle cable f ...

    Checking the steering head
    1. Wash: Bearings Bearing races 2. Check: Bearings Bearing races Damage/pitting →Replace. 3. Replace: Bearings Bearing races a. Remove the bearing races from the steering head pipe with a long rod "1" and hammer. b. Remove the bearing race from the lower bracket ...

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