PERIODIC MAINTENANCE AND MINOR REPAIR6-156EAU00635Adjusting the throttle cablefree playThe throttle cable free play shouldmeasure 4–6 mm (0.16–0.24 in) at thethrottle grip. Periodically check thethrottle cable free play and, if neces-sary, have a Yamaha dealer adjust it.EAU00637Adjusting the valve 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.EAU04855TiresTo maximize the performance, durabil-ity, and safe operation of your motor-cycle, note the following pointsregarding the specified tires.Tire air pressureThe tire air pressure should bechecked and, if necessary, adjustedbefore each ride. EW000082WARNING_ 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._a. Throttle cable free play