Yamaha YZF-R125 Owners Manual: For your safety - pre-operation checks

Yamaha YZF-R125 Owners Manual / For your safety - pre-operation checks

Inspect your vehicle each time you use it to make sure the vehicle is in safe operating condition. Always follow the inspection and maintenance procedures and schedules described in the Owner's Manual.

WARNING
Failure to inspect or maintain the vehicle properly increases the possibility of an accident or equipment damage. Do not operate the vehicle if you find any problem. If a problem cannot be corrected by the procedures provided in this manual, have the vehicle inspected by a Yamaha dealer.

Before using this vehicle, check the following points:

ITEM

 CHECKS
Fuel
  • Check fuel level in fuel tank.
  • Refuel if necessary.
  • Check fuel line for leakage.
Engine oil
  • Check oil level in engine.
  • If necessary, add recommended oil to specified level.
  • Check vehicle for oil leakage.
Coolant
  • Check coolant level in reservoir.
  • If necessary, add recommended coolant to specified level.
  • Check cooling system for leakage.
Front brake
  • Check operation.
  • If soft or spongy, have Yamaha dealer bleed hydraulic system.
  • Check brake pads for wear.
  • Replace if necessary.
  • Check fluid level in reservoir.
  • If necessary, add recommended brake fluid to specified level.
  • Check hydraulic system for leakage.
Rear brake
  • Check operation.
  • If soft or spongy, have Yamaha dealer bleed hydraulic system.
  • Check brake pads for wear.
  • Replace if necessary.
  • Check fluid level in reservoir.
  • If necessary, add recommended brake fluid to specified level.
  • Check hydraulic system for leakage.
Clutch
  • Check operation.
  • Lubricate cable if necessary.
  • Check lever free play.
  • Adjust if necessary.
Throttle grip
  • Make sure that operation is smooth.
  • Check cable free play.
  • If necessary, have Yamaha dealer adjust cable free play and lubricate cable and grip housing.
Control cables
  • Make sure that operation is smooth.
  • Lubricate if necessary.
Drive chain
  • Check chain slack.
  • Adjust if necessary.
  • Check chain condition.
  • Lubricate if necessary.
Wheels and tires
  • Check for damage.
  • Check tire condition and tread depth.
  • Check air pressure.
  • Correct if necessary.
Brake and shift pedals
  • Make sure that operation is smooth.
  • Lubricate pedal pivoting points if necessary.
Brake and clutch levers
  • Make sure that operation is smooth.
  • Lubricate lever pivoting points if necessary.
Sidestand
  • Make sure that operation is smooth.
  • Lubricate pivot if necessary.
Chassis fasteners
  • Make sure that all nuts, bolts and screws are properly tightened.
  • Tighten if necessary.
Instruments, lights, signals and switches
  • Check operation.
  • Correct if necessary.
Sidestand switch
  • Check operation of ignition circuit cut-off system.
  • If system is not working correctly, have Yamaha dealer check vehicle.
Battery
  • Check fluid level.
  • Fill with distilled water if necessary.
    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 ...

    Operation and important riding points
    Read the Owner's Manual carefully to become familiar with all controls. If there is a control or function you do not understand, ask your Yamaha dealer. WARNING Failure to familiarize yoursel ...

    Other materials:

    Removing the cylinder head
    1. Align: "I" mark "a" on the generator rotor (with the stationary pointer "b" on the generator cover) a. Turn the crankshaft counterclockwise. b. When the piston is at TDC on the compression stroke, align the "I" mark "c" on the camshaft sprocket with the mark "d" on the cylinder h ...

    Checking the lean angle sensor
    1. Remove: Lean angle sensor 2. Check: Lean angle sensor output voltage Out of specification Replace. a. Connect the lean angle sensor to the wire harness. b. Connect the pocket tester (DC 20 V) to the lean angle sensor coupler as shown. Positive tester probe yellow/green "1" Neg ...

    Loading
    Adding accessories or cargo to your motorcycle can adversely affect stability and handling if the weight distribution of the motorcycle is changed. To avoid the possibility of an accident, use extreme caution when adding cargo or accessories to your motorcycle. Use extra care when ridi ...

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