INSTRUMENT AND CONTROL FUNCTIONS4-164gasoline of a different brand. Use ofunleaded fuel will extend spark plug lifeand reduce maintenance costs.GasoholThere are two types of gasohol: gaso-hol containing ethanol and that con-taining methanol. Gasohol containingethanol can be used if the ethanol con-tent does not exceed 10% (E10). Gas-ohol containing methanol is notrecommended by Yamaha because itcan cause damage to the fuel systemor vehicle performance problems.EAU51182Fuel tank breather hose andoverflow hoseTIPFor California: See page 7-10 forbreather hose information.Before operating the motorcycle: Check each hose connection. Check each hose for cracks ordamage, and replace if necessary. Make sure that the end of eachhose is not blocked, and clean ifnecessary. Make sure that each hose is rout-ed through the clamp.EAU13434Catalytic converterThis model is equipped with a catalyticconverter in the exhaust system.WARNINGEWA10863The exhaust system is hot after op-eration. To prevent a fire hazard orburns: Do not park the vehicle nearpossible fire hazards such asgrass or other materials thateasily burn. Park the vehicle in a placewhere pedestrians or childrenare not likely to touch the hotexhaust system. Make sure that the exhaust sys-tem has cooled down beforedoing any maintenance work. Do not allow the engine to idlemore than a few minutes. Longidling can cause a build-up ofheat.1. Fuel tank breather hose and overflow hose2. Clamp21