I HAVE A 77 115HP EVINRUDE, SUDDENLY LAST SAT. THE POWER TILT WOULDN'T RAISE,ONLY LOWER. AFTER CLOSER INSPECTION, I BELIEVE THE ELECTRIC MOTOR IS BAD ON THE PUMP.CAN I REPLACE JUST THE ELECTRIC MOTOR? MAYBE TAKE THE MOTOR OFF AND BRING IT IN TO A ELECTRIC MOTOR REPAIR SHOP?? ALSO IS THERE ANY WAY I CAN RAISE/LOWER THE MOTOR TO USE THE BOAT WITHOUT GETTINGIN THE WATER TO RAISE IT WHEN LAUNCHING OR TAKING THE BOAT OUT OF THE WATER? ANY HELP OR SUGGESTIONS WOULD BE GREATLY APPRECIATED THANKS 