1976 Evinrude 40HP outboards Service Manual, Page 28Get this manual
Figure 3-23Fuel Tank Upper Housing year, and at every tune-up or maj or repa irTo facilitate complete draining of the tankdr ain screw is provided in the fuel tank upper housingSee Figure 3-23Clean the tank by flushing with clear gasoline or solventSee Owner's Manual for correct fuel mixtureDESCRIPTION The fuel tank is of simple but rugged onstruc tion, with capacity of gallons of fuel mixtureIt includes the bulb primer (for priming the fuel pump)fuel level gagefuel hose and connec torsbracket arrangement to hold the fuel line when not in use, and carrying gripThe fu el ank upper housing, which provides the conn ec tion to the fuel hose, contains two release valves and dis valve which prevent any escape of gasoline or fumesminimizing the danger of explosion or fir eFigure 3-24Fuel Tank Level Indicator
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