Make particular the fuel line is rated for gasoline use, not diesel, and that it's formulated for use with fuel containing ethanol. Ethanol is a comparatively new additive to fuel. Ethanol can destruction and degrade older kinds of fuel hoses and can result in lack of engine power throughout operation. https://alexisjkrle.wikiinside.com/1942406/facts_about_yamaha_outboard_motor_grease_revealed