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:

    Checking the cylinder and piston
    1. Check: Piston wall Cylinder wall Vertical scratches Replace the cylinder, and replace the piston and piston rings as a set. 2. Measure: Piston-to-cylinder clearance a. Measure cylinder bore "C" with the cylinder bore gauge. NOTE: Measure cylinder bore "C" by takin ...

    Assembling the crankcase
    1. Thoroughly clean all the gasket mating surfaces and crankcase mating surfaces. 2. Apply: Sealant (onto the crankcase mating surfaces) NOTE: Do not allow any sealant to come into contact with the oil gallery. 3. Install: Right crankcase NOTE: Turn the shift drum segment ...

    Care
    While the open design of a motorcycle reveals the attractiveness of the technology, it also makes it more vulnerable. Rust and corrosion can develop even if high-quality components are used. A rusty exhaust pipe may go unnoticed on a car, however, it detracts from the overall appearanc ...

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