Yamaha MT125 Owner's Manual

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Contents

PERIODIC MAINTENANCE AND ADJUSTMENT6-166EAU21402Valve clearanceThe valve clearance changes with use,resulting in improper air-fuel mixtureand/or engine noise. To prevent thisfrom occurring, the valve clearancemust be adjusted by a Yamaha dealerat the intervals specified in the periodicmaintenance and lubrication chart.EAUM2405TiresTires are the only contact between thevehicle and the road. Safety in all con-ditions of riding depends on a relativelysmall area of road contact. Therefore, itis essential to maintain the tires in goodcondition at all times and replace themat the appropriate time with the speci-fied tires.Tire air pressureThe tire air pressure should bechecked and, if necessary, adjustedbefore each ride.WARNINGEWA10504Operation of this vehicle with im-proper tire pressure may cause se-vere injury or death from loss ofcontrol. The tire air pressure must bechecked and adjusted on coldtires (i.e., when the temperatureof the tires equals the ambienttemperature). The tire air pressure must beadjusted in accordance with theriding speed and with the totalweight of rider, passenger, car-go, and accessories approvedfor this model.WARNINGEWA10512Never overload your vehicle. Opera-tion of an overloaded vehicle couldcause an accident.Tire air pressure (measured on coldtires):0–90 kg (0–198 lb):Front:180 kPa (1.80 kgf/cm², 26 psi)Rear:200 kPa (2.00 kgf/cm², 29 psi)MT125 90–180 kg (198–397 lb)MT125A 90–178 kg (198–392 lb):Front:180 kPa (1.80 kgf/cm², 26 psi)Rear:225 kPa (2.25 kgf/cm², 33 psi)Maximum load*:MT125 180 kg (397 lb)MT125A 178 kg (392 lb)* Total weight of rider, passenger, car-go and accessories