Brunswick Fuel System- Evap Control Methods

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Results- Solomons Island Test Facility 10/6/2009
2.5 PSI Nitrogen - Tank Expansion
System Overview
2.5 PSI- Fuel in Hose
Engine PSI Drive Time Leakage/Notes
2007 Yamaha F40BTLR4 Cycle / Carburetor 2.5 15 Min Minimal lower carb only- visible movement of fuel through clear hose
2007 Yamaha F40BTLR4 Cycle / Carburetor 4.5 5 Min Leakage prior to driving. Steady drip of fuel into cup and movement of fuel through clear hose after 5 minutes driving
4.5 PSI After 5 min. driving
4.5 PSI Before Driving
4.5 PSI Nitrogen - Tank Expansion