PERIODIC MAINTENANCE AND ADJUSTMENT7-187WARNINGEWA10582 It is dangerous to ride with aworn-out tire. When a tire treadbegins to show crosswise lines,have a Yamaha dealer replacethe tire immediately. The replacement of all wheel-and brake-related parts, includ-ing the tires, should be left to aYamaha dealer, who has thenecessary professional knowl-edge and experience to do so. Ride at moderate speeds afterchanging a tire since the tiresurface must first be “brokenin” for it to develop its optimalcharacteristics.Tire informationThis model is equipped with tubelesstires and rubber tire air valves.Tires age, even if they have not beenused or have only been used occasion-ally. Cracking of the tread and sidewallrubber, sometimes accompanied bycarcass deformation, is an evidence ofageing. Old and aged tires shall bechecked by tire specialists to ascertaintheir suitability for further use.WARNINGEWA10482 The front and rear tires shouldbe of the same make and de-sign, otherwise the handlingcharacteristics of the motorcy-cle may be different, whichcould lead to an accident. Always make sure that the valvecaps are securely installed toprevent air pressure leakage. Use only the tire valves andvalve cores listed below toavoid tire deflation during ahigh-speed ride.After extensive tests, only the tires list-ed below have been approved for thismodel by Yamaha.1. Tire air valve2. Tire air valve core3. Tire air valve cap with sealFront tire:Size:120/70 ZR17M/C (58W)Manufacturer/model:MICHELIN/PILOT ROAD 3BRIDGESTONE/BT023F FRear tire:Size:180/55 ZR17M/C (73W)Manufacturer/model:MICHELIN/PILOT ROAD 3ABRIDGESTONE/BT023R MFRONT and REAR:Tire air valve:TR412Valve core:#9100 (original)