Operation25the way around the top cowling.3. Place the top cowling on bottom cowl-ing.4. Check to be sure the rubber seal fits cor-rectly all the way around the engine.5. Move the lever to lock the cowling asshown. NOTICE: If the cowling is notinstalled correctly, water spray underthe cowling can damage the engine,or the cowling can blow off at highspeeds. [ECM01990]After installing, check the fitting of the topcowling by pushing it with both hands. If thetop cowling is loose, have it repaired by yourYamaha dealer.EMU27234Filling fuel and engine oilEMU27247Filling fuel for portable tankWARNINGEWM01830 Gasoline and its vapors are highly flam-mable and explosive. Always refuel ac-cording to this procedure to reduce therisk of fire and explosion. Gasoline is poisonous and can causeinjury or death. Handle gasoline withcare. Never siphon gasoline by mouth.If you should swallow some gasoline orinhale a lot of gasoline vapor, or getsome gasoline in your eyes, see yourdoctor immediately. If gasoline spillson your skin, wash with soap and wa-ter. If gasoline spills on your clothing,change your clothes.1. Be sure the engine is stopped.2. Disconnect the fuel line from the fueltank and tighten the air vent screw onthe fuel tank cap.ZMU06114ZMU06621