2013 Yamaha Motorsports Zuma 50F Owners Manual - Page 53

EAU1722A PERIODIC MAINTENANCE AND ADJUSTMENT EAUT2153 Tires Tires are the only contact between the vehicle and the road. Safety in all conditions of riding depends on a relatively small area of road contact. Therefore, it is essential to maintain the tires in good condition at all times and replace them at the appropriate time with the specified tires. Tire air pressure The tire air pressure should be checked and, if necessary, adjusted before each ride. EWA10511 Tire inspection 1 2 ZAUM00** 1. Tire tread depth 2. Tire sidewall WARNING Never overload your vehicle. Operation of an overloaded vehicle could cause an accident. Always check the tires before operating the scooter. If a tire tread shows crosswise lines (minimum tread depth), if the tire has a nail or glass fragments in it, or if the sidewall is cracked, contact a Yamaha dealer immediately and have the tire replaced. Minimum tire tread depth (front and rear): 0.8 mm (0.03 in) Tire information This scooter is equipped with tubeless tires, tire air valves and cast wheels. Tires age, even if they have not been used or have only been used occasionally. Cracking of the tread and sidewall rubber, sometimes accompanied by carcass deformation, is an evidence of ageing. Old and aged tires shall be checked by tire specialists to ascertain their suitability for further use. After extensive tests, only the tires listed below have been approved for this model by Yamaha Motor Co., Ltd. Front tire: Size: 120/90-10 57J Manufacturer/model: CHENG SHIN/C6022 Rear tire: Size: 120/90-10 57J Manufacturer/model: CHENG SHIN/C6022 EWA10580 1 2 3 4 5 6 7 8 9 Tire air pressure* (measured on cold tires): Front: 175 kPa (1.75 kgf/cm2, 25 psi) Rear: 175 kPa (1.75 kgf/cm2, 25 psi) ● 6-17 WARNING It is dangerous to ride with a