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:

    Replacing the rear brake pads
    NOTE: When replacing the brake pads, it is not necessary to disconnect the brake hose or disassemble the brake caliper. 1. Remove: Brake pads Brake pad spring NOTE: To remove the inner brake pad "1", push down on the brake caliper bracket so that there is space to remove the brake pa ...

    Ignition circuit cut-off system
    The ignition circuit cut-off system (comprising the sidestand switch, clutch switch and neutral switch) has the following functions. It prevents starting when the transmission is in gear and the sidestand is up, but the clutch lever is not pulled. It prevents starting when the t ...

    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 ...

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