Yamaha YZF-R125 Owners Manual: Catalytic converters

This vehicle is equipped with catalytic converters in the exhaust system.

WARNING
The exhaust system is hot after operation. To prevent a fire hazard or burns:

  • Do not park the vehicle near possible fire hazards such as grass or other materials that easily burn.

  • Park the vehicle in a place where pedestrians or children are not likely to touch the hot exhaust system.

  • Make sure that the exhaust system has cooled down before doing any maintenance work.

  • Do not allow the engine to idle more than a few minutes. Long idling can cause a build-up of heat.

NOTICE
Use only unleaded gasoline. The use of leaded gasoline will cause unrepairable damage to the catalytic converter.

    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 ...

    Rider seat
    To remove the rider seat Insert the key into the seat lock, and then turn it clockwise. Seat lock Open. Pull the rider seat off. To install the rider seat 1. Insert the pro ...

    Other materials:

    Checking the water pump
    1. Check: Water pump housing cover Water pump housing Cracks/damage Replace. Impeller shaft Cracks/damage/wear Replace. Bearing Rough movement Replace. Radiator outlet hose Cracks/damage Replace. ...

    Checking the oil pump
    1. Check: Oil pump drive gear Oil pump driven gear Oil pump housing Oil pump housing cover Cracks/damage/wear Replace the defective part(s). 2. Measure: Inner-rotor-to-outer-rotor-tip clearance "a" Outer-rotor-to-oil-pump-housing clearance "b" - Oil-pump-housing-to-inn ...

    Checking and lubricating the sidestand
    Checking and lubricating the sidestand The operation of the sidestand should be checked before each ride, and the sidestand pivot and metal-to-metal contact surfaces should be lubricated if necessary. WARNING If the sidestand does not move up and down smoothly, have a Yamaha deal ...

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