I HAVE A 1982 50 HP MERCURY. MY NOPSEY SON STARTED IT IN THE FRONT YARD AND RAN IT ABOUT 10 MINUTES WITHOUT WATER. NOW WHEN I START IT WITH A WATER HOSE ATTACHED ONLY SMOKE COMES OUT OF THE WATER SPOUT. ANY HAVE AN IDEA OF WHAT THE DAMAGE MIGHT BE AND HOW TO GO ABOUT REPAIRING IT?<br />THE MOTOR STARTS FINE, JST NO WATER PUMPING.