PERIODIC MAINTENANCE AND ADJUSTMENT7-177EAU61951TiresTires 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 inspectionThe tires must be checked before eachride. If the tire tread shows crosswiselines (minimum tread depth), if the tirehas a nail or glass fragments in it, or ifthe sidewall is cracked, have a Yamahadealer replace the tire immediately.Tire air pressure (measured on coldtires):Front:225 kPa (2.25 kgf/cm², 33 psi)Rear:250 kPa (2.50 kgf/cm², 36 psi)High-speed riding:Front:225 kPa (2.25 kgf/cm², 33 psi)Rear:250 kPa (2.50 kgf/cm², 36 psi)Maximum load*:175 kg (386 lb)* Total weight of rider, passenger, car-go and accessories1. Tire sidewall2. Tire wear indicator3. Tire tread depthMinimum tire tread depth (front andrear):1.0 mm (0.04 in)