I have a Mercury 650cc 65hp 1970 Thunderbolt<br /><br />And a Chrysler 1978 120hp 4 cylinder <br /><br />Both motors are 4 cylinder.. How much difference would the weight be between them because im trying to change from the merc to the chrysler on my 4.33m De Havilland Runabout.<br /><br />How much do each roughly weigh.. And how much CC would the chrysler have.. Also just thinkin, because the chrysler is pretty much empty its very easy to get to the powerhead (no parts around it like in the merc) and because its also a 4 cylinder not a 6 or 8 it should roughly weigh the same right maybe the difference 10kg-15kg which wouldn't put to muhc strain on the transom right?<br /><br />Thanks again
