PERIODIC MAINTENANCE AND ADJUSTMENT6-406EAU25872TroubleshootingAlthough Yamaha motorcycles receivea thorough inspection before shipmentfrom the factory, trouble may occurduring operation. Any problem in thefuel, compression, or ignition systems,for example, can cause poor startingand loss 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 looklike Yamaha parts, but they are ofteninferior, have a shorter service life andcan lead to expensive repair bills.WARNINGEWA15142When 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 or prop-erty damage.
