PERIODIC MAINTENANCE AND ADJUSTMENT6-186EAU21401Valve 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.EAU21775TiresTo maximize the performance, durabil-ity, and safe operation of your motorcy-cle, note the following points regardingthe specified tires.Tire air pressureThe tire air pressure should be checkedand, if necessary, adjusted before eachride.WARNINGEWA10503Operation 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 be ad-justed in accordance with theriding speed and with the totalweight of rider, passenger, car-go, and accessories approvedfor this model.WARNINGEWA10511Never 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:250 kPa (2.50 kgf/cm², 36 psi)Rear:290 kPa (2.90 kgf/cm², 42 psi)FZ1-S 90–190 kg (198–419 lb)FZ1-SA 90–184 kg (198–406 lb):Front:250 kPa (2.50 kgf/cm², 36 psi)Rear:290 kPa (2.90 kgf/cm², 42 psi)High-speed riding:Front:250 kPa (2.50 kgf/cm², 36 psi)Rear:290 kPa (2.90 kgf/cm², 42 psi)Maximum load*:FZ1-S 190 kg (419 lb)FZ1-SA 184 kg (406 lb)* Total weight of rider, passenger, car-go and accessoriesU1CAE1E0.book Page 18 Tuesday, September 13, 2011 5:02 PM