I have a 1964 Evinrude 9.5 that runs pretty good. <br /><br />It is on a 14' welded aluminum boat that weighs about 230 lbs. when it is empty. I will be using the boat to carry a combination of passengers and gear weighing anywhere from 250 lbs. to a maximum of 450 lbs. I will be primarily using it for duck hunting, sometimes in flooded fields with the potential for lots of grass and weeds, and fishing on small lakes or small rivers.<br /><br />My propeller may be the original prop. I am considering replacing it since it is greatly dinged, nicked, and somewhat bent. I can find a number of propellers for this engine but have no idea what the size and pitch of the original prop is (was).<br /><br />I am also somewhat ignorant of the pluses and minus of the following sizes and characteristics of replacement propellers.<br /><br />7-3/4 x 6-1/2<br />8-1/4 x 8<br />8-1/4 x 8-1/2<br />8-1/4 x 9<br />8 1/8 x 8 - semi weedless<br />8 1/4 x 8 - weedless<br /><br />Advice that provides some comparison and contrast between the above propellers sizes and pitches and between "standard" prop designs and "semi weedless" and "weedless" designs will be greatly appreciated.
<br />The 9.5 fires one spark on each revolution, but I think tinytach has a special one with a filter which works better for J/E outboards. Best to phone them up and find out for sure before ordering.<br />Its a bit of a guess, but I think you'll end up with a 8-1/4 x 8. I would still like to see what Wayne says about it.<br /><br />The 'weedless' props are supposed to shed weeds better than a regular prop. They have a bit of a cork-screw appearance to them. I've got one on my 4hp, and in conjuntion with the 110° drive (the propshaft slants downwards) it works quite well at keeping the prop clear. The trade-off is speed & performance, but I would probably go for one if weeds were a real problem.