INSTRUMENT AND CONTROL FUNCTIONS4-1143. Wipe up any spilled fuel immedi-ately. NOTICE: Immediately wipeoff spilled fuel with a clean, dry,soft cloth, since fuel may deteri-orate painted surfaces or plasticparts. [ECA10071]4. Be sure to securely close the fueltank cap.WARNINGEWA15151Gasoline is poisonous and cancause injury or death. Handle gaso-line with care. Never siphon gaso-line by mouth. If you should swallowsome gasoline or inhale a lot of gas-oline vapor, or get some gasoline inyour eyes, see your doctor immedi-ately. If gasoline spills on your skin,wash with soap and water. If gaso-line spills on your clothing, changeyour clothes.EAU13321NOTICEECA11400Use only unleaded gasoline. The useof leaded gasoline will cause severedamage to internal engine parts,such as the valves and piston rings,as well as to the exhaust system.Your Yamaha engine has been de-signed to use regular unleaded gaso-line with a research octane number of91 or higher. If knocking (or pinging) oc-curs, use a gasoline of a different brandor premium unleaded fuel. Use of un-leaded fuel will extend spark plug lifeand reduce maintenance costs.EAU13550Fuel cockThe fuel cock supplies fuel from thetank to the carburetors while also filter-ing it.The fuel cock lever positions are ex-plained as follows and shown in the il-lustrations.OFFWith the fuel cock lever in this position,fuel will not flow. Always turn the fuelcock lever to this position when the en-gine is not running.1. Fuel tank filler tube2. Maximum fuel levelRecommended fuel:Unleaded gasoline onlyFuel tank capacity:17.0 L (4.49 US gal, 3.74 Imp.gal)Fuel reserve amount:4.5 L (1.19 US gal, 0.99 Imp.gal)1. Pointed end positioned over “OFF”