PERIODIC MAINTENANCE AND ADJUSTMENT6-396EAU25871TroubleshootingAlthough Yamaha motorcycles receivea thorough inspection before shipmentfrom the factory, trouble may occur dur-ing operation. Any problem in the fuel,compression, or ignition systems, forexample, can cause poor starting andloss of power.The following troubleshooting chartsrepresent quick and easy proceduresfor checking these vital systems your-self. However, should your motorcyclerequire any repair, take it to a Yamahadealer, whose skilled technicians havethe necessary tools, experience, andknow-how to service the motorcycleproperly.Use only genuine Yamaha replace-ment parts. Imitation parts may look likeYamaha parts, but they are often inferi-or, have a shorter service life and canlead to expensive repair bills.WARNINGEWA15141When checking the fuel system, donot smoke, and make sure there areno open flames or sparks in the ar-ea, including pilot lights from waterheaters or furnaces. Gasoline orgasoline vapors can ignite or ex-plode, causing severe injury orproperty damage.Tightening torques:Axle nut:150 Nm (15 m·kgf, 108 ft·lbf)Locknut:16 Nm (1.6 m·kgf, 12 ft·lbf)U39PE0E0.book Page 39 Tuesday, February 16, 2010 9:22 AM
