PERIODIC MAINTENANCE AND MINOR REPAIR6-186WARNINGEWA10600This motorcycle is fitted with super-high-speed tires. Note the followingpoints in order to make the most ef-ficient use of these tires. Use only the specified replace-ment tires. Other tires may runthe danger of bursting at superhigh speeds. Brand-new tires can have a rela-tively poor grip on certain roadsurfaces until they have been“broken in”. Therefore, it is ad-visable before doing any high-speed riding to ride conserva-tively for approximately 100 km(60 mi) after installing a new tire. The tires must be warmed upbefore a high-speed run. Always adjust the tire air pres-sure according to the operatingconditions.EAU21960Cast wheelsTo maximize the performance, durabil-ity, and safe operation of your vehicle,note the following points regarding thespecified wheels. The wheel rims should be checkedfor cracks, bends or warpage be-fore each ride. If any damage isfound, have a Yamaha dealer re-place the wheel. Do not attempteven the smallest repair to thewheel. A deformed or crackedwheel must be replaced. The wheel should be balancedwhenever either the tire or wheelhas been changed or replaced. Anunbalanced wheel can result inpoor performance, adverse han-dling characteristics, and a short-ened tire life. Ride at moderate speeds afterchanging a tire since the tire sur-face must first be “broken in” for itto develop its optimal characteris-tics.Front tire:Size:120/70 ZR17M/C (58W)Manufacturer/model:METZELER/MEZ4J FRONTBRIDGESTONE/BT020F NRear tire:Size:180/55 ZR17M/C (73W)Manufacturer/model:METZELER/MEZ4JBRIDGESTONE/BT020R NFRONT and REAR:Tire air valve:TR412Valve core:#9000 (original)U5JWE4E0.book Page 18 Friday, July 30, 2004 6:07 PM