Periodic maintenance and adjustment7-3373. Connect the brake rod to thebrake camshaft lever, and then in-stall the brake pedal free play ad-justing nut onto the brake rod.4. Lower the rear wheel so that it ison the ground, and then put thesidestand down.5. Adjust the drive chain slack. (Seepage 7-20.)6. Tighten the axle nut to the speci-fied torque.7. Adjust the brake pedal free play.(See page 7-18.)EAU25852TroubleshootingAlthough 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 chartrepresents a quick and easy procedurefor 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.Tightening torque:Axle nut:60 Nm (6.0 m·kgf, 43 ft·lbf)