Periodic maintenance and adjustment8-19123456789101112EAU21386Checking the throttle grip freeplayMeasure the throttle grip free play asshown.Periodically check the throttle grip freeplay and, if necessary, have a Yamahadealer adjust it.EAU21402Valve 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.EAU64410TiresTires 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 be checkedand, if necessary, adjusted before eachride.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 be ad-justed in accordance with theriding speed and with the total1. Throttle grip free playThrottle grip free play:3.0–5.0 mm (0.12–0.20 in)1
