2011 Yamaha Motorsports Royal Star Venture S Owners Manual - Page 29

INSTRUMENT AND CONTROL FUNCTIONS ately. If gasoline spills on your skin, wash with soap and water. If gasoline spills on your clothing, change your clothes. EAU13373 Recommended fuel: Unleaded gasoline only Fuel tank capacity: 22.5 L (5.94 US gal, 4.95 Imp.gal) Fuel reserve amount (when the fuel level warning light comes on): 3.5 L (0.92 US gal, 0.77 Imp.gal) ECA11400 um unleaded fuel. Use of unleaded fuel will extend spark plug life and reduce maintenance costs. Gasohol There are two types of gasohol: gasohol containing ethanol and that containing methanol. Gasohol containing ethanol can be used if the ethanol content does not exceed 10% (E10). Gasohol containing methanol is not recommended by Yamaha because it can cause damage to the fuel system or vehicle performance problems. EAU48760 Fuel tank breather/overflow hose 4 1 1. Fuel tank breather/overflow hose NOTICE Use only unleaded gasoline. The use of leaded gasoline will cause severe damage to internal engine parts, such as the valves and piston rings, as well as to the exhaust system. Your Yamaha engine has been designed to use regular unleaded gasoline with a pump octane number [(R+M)/2] of 86 or higher, or a research octane number of 91 or higher. If knocking (or pinging) occurs, use a gasoline of a different brand or premi4-12 TIP For California: See page 8-13 for breather hose information. Before operating the motorcycle: G Check the fuel tank breather/overflow hose connection. G Check the fuel tank breather/overflow hose for cracks or damage, and replace it if damaged. G Make sure that the end of the fuel tank breather/overflow hose is not blocked, and clean it if necessary.