I have a 2003 evinrude jet 90 horsepower and it was running great then out of the blue shut down light and alarm came on and the motor shut down when I got home I flush the motor and the alarm went off I work on my boat myself most the time and this was different does anyone no much about this? Alot of sand came out when I flush the motor what should I do I cant find a manual on it with out paying for one on line I would like to fix so I can go fishing tomarrow. help just a guy who like to fish