My father-in-law is trying to repair a friends 4.5HP Mariner 2-stroke outboard engine.<br /><br />He cannot get the engine away from the main body. Is there a trick to this ?<br /><br />ModelNo is 7-004201A<br />Serial: 09689840<br /><br />Manual indicates its from 1990 or thereabouts.<br /><br />Any help greatly appreciated.